Table 3. Results of univariate and multivariate logistic regression analysis with a backwards elimination procedure.
| Univariate | Multivariate | ||||||||||
| Variable | Control N (%) | Case N (%) | Crude Odds Ratio (95% CI) | p-value | Odds ratio (95% CI) | p-value | |||||
| Wealth quintile (asset index) | 1 | 40 | (20.1%) | 25 | (27.8%) | 1.00 | |||||
| 2 | 40 | (20.1%) | 20 | (22.2%) | 0.80 | (0.38–1.67) | |||||
| 3 | 40 | (20.1%) | 16 | (17.8%) | 0.64 | (0.30–1.38) | |||||
| 4 | 40 | (20.1%) | 17 | (18.9%) | 0.68 | (0.32–1.45) | |||||
| 5 | 39 | (19.6%) | 12 | (13.3%) | 0.49 | (0.22–1.12) | |||||
| Assuming a linear trend | 0.85 | (0.71–1.02) | p = 0.083 | ||||||||
| Income level (BDT) | Mean | 4108 | 4853 | ||||||||
| Std. Dev. | 3978 | 3991 | 1.00 | (1.00–1.00) | p = 0.148 | ||||||
| Educational level* | High | 113 | (56.8%) | 49 | (54.4%) | 1.00 | |||||
| Low | 86 | (43.2%) | 41 | (45.6%) | 1.10 | (0.67–1.81) | p = 0.711 | ||||
| Household size | Mean | 5.28 | 4.96 | ||||||||
| Std. Dev. | 2.30 | 1.97 | 0.93 | (0.82–1.05) | p = 0.248 | ||||||
| Crowding ‡ | No | 129 | (64.8%) | 55 | (61.1%) | 1.00 | |||||
| Yes | 70 | (35.2%) | 35 | (38.9%) | 1.17 | (0.70–1.96) | p = 0.544 | ||||
| Ever food shortage | No | 76 | (38.2%) | 30 | (33.3%) | 1.00 | |||||
| Yes | 123 | (61.8%) | 60 | (66.7%) | 1.24 | (0.73–2.09) | p = 0.428 | ||||
| Food shortage in the last year | No | 128 | (64.3%) | 47 | (52.2%) | 1.00 | 1.00 | ||||
| Yes | 71 | (35.7%) | 43 | (47.8%) | 1.65 | (1.00–2.74) | p = 0.052 | 1.79 | (1.06–3.02) | p = 0.030 | |
| Sex | Female | 116 | (58.3%) | 41 | (45.6%) | 1.00 | |||||
| Male | 83 | (41.7%) | 49 | (54.4%) | 1.67 | (1.01–2.76) | p = 0.045 | ||||
| Age (years) | <10 | 22 | (11.1%) | 6 | (6.7%) | 1.00 | 1.00 | ||||
| 10–19 | 65 | (32.7%) | 20 | (22.2%) | 1.13 | (0.42–3.17) | p = 0.819 | 1.17 | (0.41–3.32) | p = 0.762 | |
| 20–29 | 27 | (13.6%) | 21 | (23.3%) | 2.85 | (0.98–8.30) | p = 0.054 | 3.22 | (1.09–9.51) | p = 0.034 | |
| 30–39 | 32 | (16.1%) | 15 | (16.7%) | 1.72 | (0.58–5.12) | p = 0.331 | 1.84 | (0.61–5.55) | p = 0.277 | |
| 40–49 | 35 | (17.6%) | 11 | (12.2%) | 1.15 | 0.37–3.56) | p = 0.805 | 1.28 | (0.38–3.67) | p = 0.781 | |
| 50+ | 18 | (9.1%) | 17 | (18.9%) | 3.46 | (1.13–10.61) | p = 0.030 | 3.56 | (1.15–11.02) | p = 0.028 | |
| Total | 199 | (100%) | 90 | (100%) | |||||||
*Educational level: Low: highest educated person in the household had 0–5 years of schooling; High: highest educated person had more than 5 years of schooling.
‡Crowding: for this study defined as more than three people per sleeping room (average).