Body composition was measured using a duo frequency Bioelectrical Impedance Machine (Tanita DC-430 MA TANITA Corporation, Tokyo, Japan). Bodyweight was measured on a Seca portable electronic scale to the nearest 0.1 kg and height to the nearest 0.1 cm. Bodyweight (kg) and height (cm) were measured with the subjects wearing light garments and standing erect, respectively.
Waist and hip circumferences were measured in the midline between the lower rib margin and the iliac crest and the widest diameter over the greater trochanters. Mid upper arm circumference was measured at the mid-point between the tip of the shoulder and the tip of the elbow. All measurements were taken using standard equipment’s and protocol.
Physical activity was measured using the World Health Organisation Global Physical Activity Questionnaire.11 (link) Data collection involving body composition and glucose measurements was done in the morning after an overnight fast. All data collection tools and equipment were pretested and calibrated before data collection. A team of well-trained health workers undertook measurements.