Participant characteristics of APCAPS adults from 27 villages, 2010–2012 (n=5932)
| NTLI*, women (n=2753 (46%)) | NTLI*, men (n=3179 (54%)) | |||||
| Low | Medium | High | Low | Medium | High | |
| Night-time light intensity (NTLI), median (IQR) | 138.2 (121–149) | 202.4 (185–273) | 492.8 (485–753) | 138.2 (129–149) | 202.4 (185–273) | 492.8 (396–753) |
| Age, median (IQR) | 40 (25–46) | 40 (25–46) | 38 (25–45) | 28 (23–51) | 29 (24–50) | 28 (23–49) |
| Age group (years), n (%) | ||||||
| <30 | 299 (38.7) | 372 (38.2) | 416 (41.3) | 489 (54.5) | 595 (52.7) | 636 (55.2) |
| 30–39 | 85 (11.0) | 106 (10.9) | 134 (13.3) | 57 (6.4) | 74 (6.6) | 91 (7.9) |
| 40–49 | 261 (33.8) | 348 (35.8) | 348 (34.5) | 98 (10.9) | 151 (13.4) | 154 (13.4) |
| 50+ | 127 (16.5) | 147 (15.1) | 110 (10.9) | 254 (28.3) | 309 (27.4) | 271 (23.5) |
| Total | 772 (100) | 973 (100) | 1008 (100) | 898 (100) | 1129 (100) | 1152 (100) |
| Caste, n (%) | ||||||
| General caste | 51 (6.6) | 79 (9.2) | 76 (7.5) | 51 (5.7) | 89 (8.9) | 63 (5.5) |
| Scheduled caste | 277 (35.9) | 375 (43.6) | 292 (29.0) | 331 (36.9) | 428 (42.6) | 335 (29.1) |
| Scheduled tribe | 9 (1.2) | 3 (0.4) | 5 (0.5) | 11 (1.2) | 3 (0.3) | 7 (0.6) |
| Other backward | 425 (55.1) | 374 (43.5) | 628 (62.3) | 488 (54.3) | 455 (45.3) | 739 (64.2) |
| Other | 9 (1.2) | 29 (3.4) | 7 (0.7) | 17 (1.9) | 30 (3.0) | 8 (0.7) |
| Total | 771 (100) | 860 (100) | 1008 (100) | 898 (100) | 1005 (100) | 1152 (100) |
| Religion, n (%) | ||||||
| Muslim | 19 (2.5) | 37 (4.3) | 71 (7.0) | 16 (1.8) | 45 (4.5) | 64 (5.6) |
| Hindu | 742 (96.2) | 786 (91.4) | 919 (91.2) | 875 (97.4) | 931 (92.6) | 1079 (93.7) |
| Christian | 9 (1.2) | 37 (4.3) | 16 (1.6) | 7 (0.8) | 29 (2.9) | 8 (0.7) |
| Other | 1 (0.1) | 0 (0) | 2 (0.2) | 0 (0) | 0 (0) | 1 (0.1) |
| Total | 771 (100) | 860 (100) | 1008 (100) | 898 (100) | 1005 (100) | 1152 (100) |
| Marital status, n (%) | ||||||
| Not married | 196 (25.4) | 238 (24.5) | 229 (22.7) | 381 (42.4) | 459 (40.7) | 487 (42.3) |
| Married | 576 (74.6) | 734 (75.5) | 779 (77.3) | 517 (57.6) | 669 (59.3) | 665 (57.7) |
| Total | 772 (100) | 972 (100) | 1008 (100) | 898 (100) | 1128 (100) | 1152 (100) |
| Hyderabad Nutrition Trial, n (%) | ||||||
| Control | 643 (83.3) | 826 (84.9) | 835 (82.8) | 667 (74.3) | 852 (75.5) | 865 (75.1) |
| Intervention | 129 (16.7) | 147 (15.1) | 173 (17.2) | 231 (25.7) | 277 (24.5) | 287 (24.9) |
| Total | 772 (100) | 973 (100) | 1008 (100) | 898 (100) | 1129 (100) | 1152 (100) |
| Room temperature (°C), mean (SD) | 28.7 (3.4) | 30.2 (3.4) | 30.1 (2.6) | 28.3 (3.5) | 29.8 (3.2) | 29.6 (2.6) |
*Characteristics are presented by thirds (low, medium and high level) of ranked NTLI.
APCAPS, Andhra Pradesh Children and Parents Study.