Table 1

Description of study participants in pooled sample of IMS (2005–2007) and APCAPS (2010–2012)

N (%)/mean (SD)
Characteristics% completeAPCAPS (N=6944)IMS
(N=7067)
Pooled sample (N=14 011)
Sociodemographic
Age>99%34.2 (14.4)40.8 (10.4)37.5 (12.9)
SexMen>99%3646 (52.6%)4123 (58.3%)7769 (55.5%)
Women3283 (47.4%)2944 (41.7%)6226 (44.5%)
Childhood standard of living index>99%8.8 (4.8)10.5 (5.1)9.6 (5.0)
Adult standard of living index>99%18.6 (5.1)23.3 (6.7)21.0 (6.4)
Adult occupationUnskilled labour or unemployed>99%2918 (42.1%)314 (4.4%)3232 (23.1%)
Student, retired or housewife2202 (31.8%)2612 (37.0%)4814 (34.4%)
Semiskilled labour732 (10.6%)918 (13.0%)1650 (11.8%)
Skilled labour709 (10.2%)1548 (21.9%)2257 (16.1%)
Professional365 (5.3%)1675 (23.7%)2040 (14.6%)
Adult residenceRural>99%6944 (100%)2668 (37.8%)9612 (68.6%)
Urban0 (0%)4399 (67.6%)4399 (32.7%)
Cardiovascular risk factors
Systolic blood pressure, mmHg>99%118.5 (15.3)122.1 (17.0)120.3 (16.3)
Diastolic blood pressure, mmHg>99%77.5 (12.7)77.9 (11.0)77.7 (11.9)
Total cholesterol, mmol/L97%4.2 (1.0)4.7 (1.1)4.5 (1.1)
LDL cholesterol, mmol/L93%2.8 (0.9)3.3 (1.1)3.1 (1.0)
Triglycerides, mmol/L (median, IQR)95%1.1 (0.8, 1.6)1.3 (1.0, 1.8)1.2 (0.9, 1.7)
Fasting glucose, mmol/L (median, IQR)95%5.0 (4.7, 5.4)5.1 (4.6, 5.5)5.1 (4.7, 5.5)
Insulin, mU/L (median, IQR)95%5.2 (3.1, 8.2)6.0 (3.4, 9.6)5.6 (3.2, 9.0)
HOMA score (median, IQR)94%1.2 (0.7, 1.9)1.3 (0.8, 2.3)1.3 (0.7, 2.1)
Body mass index, kg/m2>99%20.6 (3.9)23.8 (4.5)22.2 (4.5)
Waist circumference, cm>99%71.5 (10.7)82.3 (11.7)77.0 (12.5)
Height, cm>99%158.1 (9.5)160.3 (8.8)159.3 (9.3)
  • APCAPS, Andhra Pradesh Children and Parents’ Study; IMS, Indian Migration Study; LDL, low-density lipoprotein; HOMA, homeostasis model assessment.