Table 3.
Predictors of incidence of overweight (body mass index of ≥23 kg/m2), among men and women
| Men | Women | |||||
| Number of events (n=902) | Unadjusted | Adjusted | Number of events (n=1411) | Unadjusted | Adjusted | |
| OR (95% CI) | OR (95% CI) | OR (95% CI) | OR (95% CI) | |||
| Age (in years) | ||||||
| 18–24 | 209 | 1.00 | 1.00 | 315 | 1.00 | 1.00 |
| 25–35 | 335 | 0.94 (0.77 to 1.14) | 0.96 (0.74 to 1.25) | 567 | 0.81 (0.68 to 0.95)* | 0.85 (0.71 to 1.01) |
| 36–49 | 229 | 0.51 (0.41 to 0.62)* | 0.53 (0.39 to 0.71)* | 400 | 0.64 (0.54 to 0.77)* | 0.67 (0.55 to 0.82)* |
| 50+ | 129 | 0.46 (0.36 to 0.59)* | 0.42 (0.30 to 0.59)* | 129 | 0.32 (0.26 to 0.41)* | 0.33 (0.25 to 0.43)* |
| Marital status | ||||||
| Never married | 225 | 1.00 | 1.00 | 28 | 1.00 | 1.00 |
| Married | 657 | 0.59 (0.50 to 0.70)* | 1.17 (0.90 to 1.54) | 1267 | 0.85 (0.54 to 1.34) | 1.22 (0.76 to 1.98) |
| Widow/widower/ divorced/separated |
20 | 0.67 (0.40 to 1.12) | 1.50 (0.85 to 2.63) | 116 | 0.53 (0.32 to 0.86)* | 1.26 (0.74 to 2.14) |
| Highest grade of education attained | ||||||
| Illiterate | 165 | 1.00 | 1.00 | 534 | 1.00 | 1.00 |
| Grade 1–5 | 140 | 1.26 (0.99 to 1.61) | 0.94 (0.73 to 1.21) | 319 | 1.41 (1.20 to 1.65)* | 1.06 (0.89 to 1.26) |
| Grade 6–10 | 374 | 2.05 (1.68 to 2.50)* | 1.32 (1.05 to 1.68)* | 485 | 1.84 (1.59 to 2.13)* | 1.17 (0.97 to 1.41) |
| Grade 11+ | 223 | 2.63 (2.10 to 3.29)* | 1.41 (1.04 to 1.91)* | 73 | 2.22 (1.63 to 3.01)* | 1.31 (0.90 to 1.90) |
| Employment | ||||||
| Unemployed | 209 | 1.00 | 1.00 | 1273 | 1.00 | 1.00 |
| Primary | 421 | 0.59 (0.49 to 0.71)* | 0.83 (0.66 to 1.04) | 88 | 0.55 (0.43 to 0.69)* | 0.82 (0.63 to 1.08) |
| Secondary | 197 | 0.86 (0.69 to 1.07) | 1.02 (0.79 to 1.32) | 18 | 0.58 (0.35 to 0.97)* | 0.81 (0.47 to 1.39) |
| Tertiary | 75 | 0.95 (0.70 to 1.28) | 1.08 (0.78 to 1.51) | 32 | 1.45 (0.94 to 2.25) | 1.33 (0.83 to 2.13) |
| Social group | ||||||
| Scheduled caste | 240 | 1.00 | 1.00 | 353 | 1.00 | 1.00 |
| Scheduled tribe | 64 | 0.93 (0.69 to 1.26) | 1.14 (0.82 to 1.59) | 63 | 0.64 (0.48 to 0.85)* | 0.68 (0.50 to 0.93)* |
| Other backward classes | 63 | 1.27 (0.93 to 1.72) | 0.79 (0.57 to 1.11) | 111 | 1.59 (1.23 to 2.05)* | 1.30 (0.98 to 1.73) |
| Other | 535 | 1.47 (1.24 to 1.73)* | 0.93 (0.74 to 1.16) | 884 | 1.66 (1.44 to 1.92)* | 1.14 (0.94 to 1.40) |
| Religion | ||||||
| Hindu | 623 | 1.00 | 1.00 | 859 | 1.00 | 1.00 |
| Muslim or other | 279 | 1.21 (1.03 to 1.41)* | 1.19 (0.96 to 1.46) | 552 | 1.66 (1.46 to 1.88)* | 1.45 (1.21 to 1.73)* |
| Wealth quintile | ||||||
| Poorest | 119 | 1.00 | 1.00 | 188 | 1.00 | 1.00 |
| Poorer | 105 | 1.05 (0.79 to 1.40) | 0.97 (0.73 to 1.29) | 211 | 1.27 (1.02 to 1.59)* | 1.20 (0.95 to 1.51) |
| Middle | 126 | 1.19 (0.91 to 1.56) | 1.04 (0.79 to 1.38) | 226 | 1.14 (0.92 to 1.42) | 1.05 (0.84 to 1.32) |
| Richer | 231 | 1.80 (1.41 to 2.29)* | 1.47 (1.12 to 1.91)* | 381 | 1.82 (1.49 to 2.23)* | 1.53 (1.23 to 1.90)* |
| Richest | 321 | 2.24 (1.78 to 2.82)* | 1.78 (1.33 to 2.37)* | 405 | 1.86 (1.53 to 2.27)* | 1.70 (1.33 to 2.16)* |
| Block of residence | ||||||
| Mohammad Bazar | 255 | 1.00 | 1.00 | 388 | 1.00 | 1.00 |
| Rajnagar | 88 | 0.55 (0.42 to 0.71)* | 0.53 (0.40 to 0.69)* | 116 | 0.61 (0.48 to 0.76)* | 0.62 (0.49 to 0.80)* |
| Sainthia | 373 | 0.85 (0.71 to 1.01) | 0.85 (0.71 to 1.03) | 555 | 1.25 (1.07 to 1.46)* | 1.31 (1.11 to 1.53)* |
| Suri I | 186 | 0.65 (0.53 to 0.81)* | 0.57 (0.45 to 0.71)* | 352 | 1.12 (0.95 to 1.33) | 1.08 (0.90 to 1.29) |
| Alcohol use | ||||||
| No | 853 | 1.00 | 1.00 | 1398 | 1.00 | 1.00 |
| Yes | 49 | 0.37 (0.27 to 0.49)* | 0.57 (0.40 to 0.82)* | 13 | 0.51 (0.28 to 0.92)* | 1.49 (0.77 to 2.88) |
| Smokeless tobacco use | ||||||
| No | 699 | 1.00 | 1.00 | 1232 | 1.00 | 1.00 |
| Yes | 203 | 0.76 (0.64 to 0.90)* | 1.01 (0.83 to 1.22) | 179 | 0.75 (0.62 to 0.89)* | 1.02 (0.84 to 1.23) |
| Smoking | ||||||
| No | 601 | 1.00 | 1.00 | 1403 | 1.00 | 1.00 |
| Yes | 301 | 0.60 (0.51 to 0.70)* | 0.82 (0.70 to 0.98)* | 8 | 0.35 (0.17 to 0.73)* | 0.60 (0.27 to 1.31) |
Level of significance: *p<0.05.