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Table 1 Characteristics of the Hyderabad DXA Study (HDS) participants by sub-sample type

From: Development and evaluation of the Andhra Pradesh Children and Parent Study Physical Activity Questionnaire (APCAPS-PAQ): a cross-sectional study

  Construct validity Criterion validity  
  All participants (n = 2,321) IMS (n = 890) APCAPS (n = 1,431) All participants (n = 245) IMS (n = 67) APCAPS (n = 105) APCAPS+ (n = 73)
Residence N, (%)        
 Urban 545 (24) 545 (62) - 78 (31) 64 (96) - 14(19)
 Rural 1,764 (76) 333 (38) 1,431 (100) 167 (68) 3 (4) 105 (100) 59(81)
Sex (%)        
 Men 1,441 (62) 471 (53) 970 (68) 136 (56) 36 (54) 58 (55) 42(58)
 Women 880 (38) 419 (47) 461 (32) 109 (44) 31 (46) 47 (45) 31(42)
 Age (year) 31.1 (14.6) 48.3 (8.3) 20.3 (1.2) 35.0 (14.2) 48.0 (8.8) 21.5 (1.3) 42.3(11.8)
Anthropometry        
 Weight (kg) 56.9 (12.6) 65.5 (11.9) 51.5 (9.7) 56.8 (12.9) 67.1 (10.6) 50.1 (9.1) 57.0(13.6)
 Waist (cm) 75.4 (12.5) 86.5 (10.4) 68.2 (7.5) 75.2 (12.6) 87.6 (9.8) 66.9 (7.2) 75.8(11.6)
 Height (cm) 160.9 (8.9) 159.2 (8.7) 162.1 (8.8) 159.4 (8.6) 158.9 (7.5) 160.7 (9.2) 157.9(8.6)
 BMI (kg/m2) 22.0 (4.7) 25.9 (4.4) 19.5 (2.9) 22.3 (4.7) 26.6 (3.9) 19.3 (2.7) 22.7(4.4)
 Percent body fat 21.7 (9.4) 30.5 (6.5) 16.5 (6.6) 23.4 (8.5) 31.7 (5.9) 17.7 (6.8) 24.3(6.0)
  1. Data presented are means and standard deviation (SD) except for residence and sex which are frequency and percentage (%)