Table 2.
Crude (bivariate analysis) from the Cox proportional Hazards Model with time to menarche as response variable.
| Covariates | Crude HR (95% CI) | P |
|---|---|---|
| Adolescent Food insecurity | ||
| Food secure | 1.000 | |
| Mild food insecurity | 0.906 (0.743,1.103) | 0.326 |
| Moderate/Severe food insecurity | 0.417 (0.234,0.745) | 0.003 |
| Place of Residence | ||
| Jimma City | 1.000 | |
| Small Towns | 0.817 (0.682,0.979) | 0.028 |
| Rural | 0.759 (0.634,0.910) | 0.003 |
| Nutritional status(Height for age z-score) | ||
| Normal | 1.00 | |
| Stunted | 0.546 (0.399,0.747) | < 0.001 |
| Work Index | 0.994 (0.990,0.999) | 0.022 |
| Household income Tertiles | ||
| Low | 1. 000 | |
| Middle | 1.011 (0.834,1.126) | 0.911 |
| High | 1.264 (1.045,1.529) | 0.016 |
| Head of the household | ||
| Male | 1.000 | |
| Female | 1.213 (1.001,1.469) | 0.049 |
Source: Jimma Longitudinal Family Survey of Youth; Round 1, 2005-2006; Round 2, 2006-2007.
Data on predictors were collected one year before the dependent variable (age at menarche).
HR = Hazard Ratio.
CI = Confidence Interval.