Table 3 Age at enrolment and follow up of cohort (n = 3174 children)
Characteristics | Boys | Girls | Total | |||
|---|---|---|---|---|---|---|
Nos. | % | Nos. | % | Nos. | % | |
Age at enrolment | ||||||
First year of life | 259 | (15.6) | 253 | (16.7) | 512 | (16.1) |
1–5 years | 659 | (39.7) | 611 | (40.4) | 1270 | (40.0) |
5–10 years | 744 | (44.8) | 648 | (42.9) | 1392 | (43.9) |
Total | 1662 | (52.4) | 1512 | (47.6) | 3174 | (100) |
Weeks of surveillance | ||||||
Up to 27 weeks | 159 | (9.6) | 176 | (11.6) | 335 | (10.6) |
28 to 35 weeks | 97 | (5.8) | 107 | (7.1) | 204 | (6.4) |
36 to 43 weeks | 200 | (12.0) | 212 | (14.0) | 412 | (13.0) |
44 to 47 weeks | 275 | (16.5) | 240 | (15.9) | 515 | (16.2) |
48 to 52 weeks | 931 | (56.0) | 777 | (51.4) | 1708 | (53.8) |