Hj 320

Manufactured by Omron

The Omron HJ-320 is a single-step automatic hematology analyzer designed for laboratory use. It provides a compact and efficient solution for performing complete blood count (CBC) analysis. The HJ-320 delivers accurate and reliable results, catering to the needs of clinical laboratories and healthcare settings.

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Lab products found in correlation

9 protocols using hj 320

Pedometer-Assisted Physical Activity Intervention

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All participants were instructed to engage in at least 30 minutes per day of moderate intensity physical activity at least 5 days per week with a target of 150 minutes per week. To help achieve this goal, participants were asked to gradually accumulate ∼30 minutes of walking per day. Pedometers (Omron HJ-320, Lake Forest, IL) were provided to all participants as both a motivational tool and to self-monitor physical activity. If the participant lost or broke the pedometer, they were given a replacement.
The Omron HJ-320 is a commercial grade pedometer that automatically resets itself at the end of the day and has a 7-day memory. It has shown low rates of error when worn on the waist in the general population (Park et al., 2014 ). Spring level pedometers, like the Omron HJ-320, have shown high intraclass correlations (ICC > 0.95) for when used by adults with mild IDD on a 400 m walking track(Stanish, 2004 ).
Participants were instructed to wear the pedometer daily for the 18-month study, and track daily steps on data recording cards provided by the study team. Caregivers were instructed to help remind the participant to wear the pedometer daily and record their daily steps. However, caregivers were asked not to write down the steps for the participant.

Ptomey L., Willis E., Lee J., Washburn R., Gibson C., Honas J, & Donnelly J. (2017). The Feasibility of Using Pedometers for Self-Report of Steps and Accelerometers for Measuring Physical Activity in Adults with Intellectual and Developmental Disabilities across an 18-month intervention. Journal of intellectual disability research : JIDR, 61(8), 792-801.

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Selecting Optimal Pedometers for Children

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Pedometers are used for this purpose. Cost, memory capacity, and use burden for children (weight, size, probability of child manipulation, and falling), as well as accuracy and validity, are considered for the selection of pedometers, based on McClain and Tudor-Locke’s suggestion [41 (link)]. For this purpose, we use Omron HJ320 Triaxis pedometer at baseline and after the intervention. Further to its reasonable price, Omron HJ320 has several advantages to be used in children. It locates on child’s waist, which is the body axis and gives a better estimation of the physical activity level. Furthermore, it has a 7-day memory and records the number of steps during 7 consecutive days. It is very light (45 g), easy to both set and use, and impossible for child’s manipulation. All pedometers are set based on children’s average length of steps.

Mehdizadeh A., Nematy M., Khadem-Rezaiyan M., Ghayour-Mobarhan M., Sardar M.A., Leis A., Humbert L., Bélanger M, & Vatanparast H. (2018). A Customized Intervention Program Aiming to Improve Healthy Eating and Physical Activity Among Preschool Children: Protocol for a Randomized Controlled Trial (Iran Healthy Start Study). JMIR Research Protocols, 7(12), e11329.

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Physical Activity Tracking for Adults with IDD

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Participants in the FTF group will be provided with a pedometer (Omron HJ-320, Lake Forest, IL) to self-monitor physical activity. The FTF group will enter diet (entrées, shakes, F/V) and physical activity data (type, duration, pedometer steps) on paper pictorial tracking sheets designed specifically for adults with IDD. Body weight will be assessed/recorded by the health educator on a calibrated scale during monthly home visits. Diet/physical activity tracking sheets will be collected by health educators during monthly home visits and will only be used to inform participant counseling.

Ptomey L., Washburn R., Mayo M., Greene J., Lee R., Szabo-Reed A., Honas J., Sherman J, & Donnelly J. (2018). Remote Delivery of Weight Management for Adults with Intellectual and Developmental Disabilities: Rationale and design for a 24 Month Randomized Trial. Contemporary clinical trials, 73, 16-26.

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Intervention Delivery and Self-Monitoring for Individuals with IDD

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Health educators conducted 2 home visits with each adolescent and a parent prior to initiating the intervention. These sessions included detailed descriptions of the dietary and physical activity components of the intervention, and the respective delivery and self-monitoring formats. Participants were oriented to the use of the iPad^® (Apple Inc, Cupertino, CA), provided by the trial. The iPads^® for the RD arms were pre-loaded with the Lose It! (Fitnow, Boston MA), Fitbit^® (Google, LLC, Mountain View, CA), and wireless scale apps (Withings Inc., Cambridge, MA) which were used for self-monitoring diet, physical activity and body weight, respectively. Participants in the RD arms were oriented to the use of these apps and to FaceTime^™ that was used for intervention delivery. Participants in the FTF arm were provided pedometers to self-monitor physical activity (Omron HJ-320, Lake Forest, IL) and were shown how to self-monitor diet and body weight using paper records designed specifically for individuals with IDD.

Ptomey L.T., Washburn R.A., Goetz J.R., Sullivan D.K., Gibson C.A., Mayo M.S., Krebill R., Gorczyca A.M., Montgomery R.N., Honas J.J., Helsel B.C, & Donnelly J.E. (2021). Weight Loss Interventions for Adolescents with Intellectual Disabilities: A RCT. Pediatrics, 148(3), e2021050261.

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Physical Activity Intervention for PCOS

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A recommendation to achieve ≥ 225 min/week of moderate-vigorous physical activity (MVPA) was provided as recommended in the “2009 ACSM Position Stand on Physical Activity Interventions for Weight Loss and Prevention of Weight Regain in Adults” (33 (link)). This recommendation is line with the 2018 International Evidence-Based Guideline for Assessment and Management of Polycystic Ovary Syndrome to achieve ≥ 150 min/week of MVPA for health and prevention of weight gain, or ≥250 min/week of MVPA for weight loss. The recommendation progressed from 20 min/day-3 days/wk. the first week to 45 min/day-5 days/wk. by week 6 and remained at that level through 6 months. For physical activity to count toward this weekly number, the physical activity had to be aerobic in nature and last ≥10 min in duration. While not counting toward their weekly minutes, participants were also encouraged to include muscle strengthening exercises at least 2 days per week. Participants were asked to increase their daily steps by 10% each week from their current level until reaching a goal of 10,000 steps/day to reduce sedentary activity. Pedometers (Omron HJ-320, Lake Forest, IL) were provided to participants as both a motivational tool and to self-monitor daily activity and were worn over the non-dominant hip.

Gorczyca A.M., Steger F.L., Ptomey L.T., Montgomery R.N., Mickelsen R., Smith P., Donnelly J.E, & Marsh C.A. (2022). The impact of a group based, remotely delivered weight loss intervention in women with polycystic ovary syndrome on ovulation, quality of life and body composition. Frontiers in Reproductive Health, 4, 940945.

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Dietary and Physical Activity Monitoring for Individuals with Intellectual Disabilities

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Participants, with the help of a parent (if needed), were asked to record daily number of servings of each food group consumed, minutes of daily physical activity, and the number of steps each day assessed by pedometer provided by the trial (Omron HJ-320, Lake Forest, IL) using a hard copy sheets which were developed for individuals with ID (21 (link), 35 (link)) and contained pictorial representations of each food category for assistance. Body weight was monitored using a calibrated digital scale (Model #PS6600, Belfour, Saukville, WI) during each behavioral session. FTF participants who completed behavioral sessions by telephone, i.e., COVID protocol, verbally provided self-monitoring data to the health educator; however, body weight, typically obtained during FTF sessions, was unavailable for sessions conducted by telephone. Self-monitoring records were reviewed with participants during each behavioral session to provide feedback and counseling.

Ptomey L.T., Bodde A.E., Hastert M., Suire K.B., Helsel B.C., Gorczyca A.M., Washburn R.A., Rice A.M, & Donnelly J.E. (2022). Weight loss in adolescents with down syndrome compared to adolescents with other intellectual disabilities enrolled in an 18-month randomized weight management trial. Frontiers in Pediatrics, 10, 1022738.

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Brisk Walking Program for Improved Health

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Participants were encouraged to accumulate a minimum of 30 min./day of moderate-intensity physical activity 5 days/week (150 min./week). Brisk walking was the primary form of exercise recommended as it is inexpensive, safe, fits easily into the daily routine, and can be performed alone or with others. Pedometers (Omron HJ-320, Lake Forest, IL) were provided to all participants as both a motivational tool and to self-monitor physical activity.

Ptomey L.T., Willis E.A., Sherman J.R., White D.A, & Donnelly J.E. (2020). Exploring the Effectiveness of an 18-month Weight Management Intervention in Adults with Down Syndrome using Propensity Score Matching. Journal of intellectual disability research : JIDR, 64(3), 221-233.

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Pedometer-Guided Physical Activity

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Participants were encouraged to accumulate a minimum of 30 min./day of moderate-intensity physical activity 5 days/week (150 min./week). Pedometers (Omron HJ-320, Lake Forest, IL) were provided to all participants as both a motivational tool and to self-monitor physical activity. Results showing changes in physical activity have been previously published.³⁰

Ptomey L., Steger F., Lee J., Sullivan D., Goetz J., Honas J., Washburn R., Gibson C, & Donnelly J. (2018). Changes in Energy Intake and Diet Quality During an 18-month Weight Management Randomized Controlled Trial in Adults with Intellectual and Developmental Disabilities. Journal of the Academy of Nutrition and Dietetics, 118(6), 1087-1096.

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Home-based IDD Intervention Delivery

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Health educators conducted home visits with each participant and a parent prior to initiating the intervention. These sessions included detailed descriptions of the dietary and MVPA components of the intervention, and the respective delivery and self-monitoring formats (FTF/RD). Participants in the RD arms were provided a Fitbit^® Charge HR wireless activity tracker (size 35.5 x 28 mm) which monitors daily steps and minutes of MVPA and an iPad^® tablet, which was pre-loaded with the Fitbit^® app. Participants in the FTF arm were provided with a pedometer (Omron HJ-320, Lake Forest, IL) to self-monitor daily steps and shown how to self-monitor minutes of MVPA using paper records specifically designed for use in individuals with IDD.

Ptomey L.T., Lee J., White D.A., Helsel B.C., Washburn R.A, & Donnelly J.E. (2021). Changes in Physical Activity Across a 6 Month Weight Loss Intervention in Adolescents with Intellectual and Developmental Disabilities. Journal of intellectual disability research : JIDR, 66(6), 545-557.

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