Table 6 Cumulative survival probabilities and hazard rates of complementary food initiation at different ages of infants in months between the study groups
Study group | Time of complementary food initiation (months) | Interval start time (months) | No. of cases entering this interval | No. of censored cases | No. of terminal events | Proportion of surviving | Cumulative survival probability at the end of interval | Hazard rate |
|---|---|---|---|---|---|---|---|---|
Control Group | 0–1 | 0 | 282 | 0 | 0 | 1.00 | 1.00 | .00 |
1–2 | 1 | 282 | 0 | 0 | 1.00 | 1.00 | .00 | |
2–3 | 2 | 282 | 0 | 3 | .99 | .99 | .01 | |
3–4 | 3 | 279 | 1 | 5 | .98 | .97 | .02 | |
4–5 | 4 | 273 | 0 | 2 | .99 | .96 | .01 | |
5–6 | 5 | 271 | 2 | 18 | .93 | .90 | .07 | |
6–7 | 6 | 251 | 3 | 146 | .41 | .37 | .83 | |
7–8 | 7 | 102 | 6 | 31 | .69 | .26 | .37 | |
8–9 | 8 | 65 | 6 | 27 | .56 | .14 | .56 | |
9–10 | 9 | 32 | 6 | 24 | .17 | .02 | 1.41 | |
10–11 | 10 | 2 | 0 | 2 | .00 | .00 | .00 | |
Intervention group | 0–1 | 0 | 272 | 0 | 0 | 1.00 | 1.00 | .00 |
1–2 | 1 | 272 | 0 | 0 | 1.00 | 1.00 | .00 | |
2–3 | 2 | 272 | 1 | 0 | 1.00 | 1.00 | .00 | |
3–4 | 3 | 271 | 0 | 4 | .99 | .99 | .01 | |
4–5 | 4 | 267 | 0 | 4 | .99 | .97 | .02 | |
5–6 | 5 | 263 | 1 | 14 | .95 | .92 | .05 | |
6–7 | 6 | 248 | 2 | 202 | .18 | .17 | 1.38 | |
7–8 | 7 | 44 | 0 | 24 | .45 | .08 | .75 | |
8–9 | 8 | 20 | 4 | 12 | .33 | .03 | 1.00 | |
9–10 | 9 | 4 | 0 | 4 | .00 | .00 | 2.00 |