Table 2 Data completeness by variable and age group | Data completeness | Total | Complete | Incomplete |
|---|
| N | N | % | 95% CI | N | % | 95% CI |
|---|
| Overall | 347,073 | | | | | | |
| Height | | 235,885 | 68.0 | (67.8–68.1) | 111,188 | 32.0 | (31.9–32.2) |
| Weight | | 341,029 | 98.3 | (98.2–98.3) | 6044 | 1.7 | (1.7–1.8) |
| Sex | | 347,073 | 100 | (100–100) | 0 | 0.0 | (0.0–0.0) |
| Age | | 347,073 | 100 | (100–100) | 0 | 0.0 | (0.0–0.0) |
| Complete zBMI | | 229,841 | 66.2 | (66.1–66.4) | 117,232 | 33.8 | (33.6–33.9) |
| By age group | | | | | | | |
| 0–4 years | 245,298 | | | | | | |
| Height | | 173,924 | 70.9 | (70.7–71.1) | 71,374 | 29.1 | (28.9–29.3) |
| Weight | | 240,804 | 98.2 | (98.1–98.2) | 4494 | 1.8 | (1.8–1.9) |
| Complete zBMI | | 169,430 | 69.1 | (68.9–69.3) | 75,868 | 30.9 | (30.8–31.1) |
| 5–19 years | 101,775 | | | | | | |
| Height | | 61,961 | 59.5 | (59.2–59.8) | 39,814 | 38.2 | (37.9–38.5) |
| Weight | | 100,225 | 96.2 | (96.1–96.4) | 1550 | 1.5 | (1.4–1.6) |
| Complete zBMI | | 60,411 | 59.4 | (59.1–59.7) | 41,364 | 40.6 | (40.3–40.9) |