Table 2 Characteristics of mothers in the GUiNZ cohort who answered the injury questions and agreed to data linkage, compared with those who did not (row %), 0–54 months combined data collection period (N = 5961)
Variables | Total N = 5961 | Mothers who answered the injury questions and who agreed to data linkage n = 5500 (92%) n (%) | Mothers who answered the injury questions and who did not agree to or did not respond to data linkage n = 461(8%) n (%) | P-value * |
|---|---|---|---|---|
Maternal age | 0.818 | |||
< 25 years | 1034 | 953 (92.2) | 81 (7.8) | |
25 to 34 | 3352 | 3088 (92.1) | 264 (7.9) | |
≥ 35 | 1474 | 1458 (92.6) | 116 (7.4) | |
Missing | 1 | 1 | 0 | |
Maternal Ethnicity | 5943 | < 0.001 | ||
Māori | 773 | 715 (92.5) | 58 (7.5) | |
Pacific | 731 | 665 (91.0) | 66 (9.0) | |
European | 3448 | 3223 (93.5) | 225 (6.5) | |
Asian | 793 | 711 (89.7) | 82 (10.3) | |
Others | 198 | 169 (85.4) | 29 (14.6) | |
Missing | 18 | 17 | 1 | |
NZDep** | 0.209 | |||
Low (1–3) | 1586 | 1474 (92.9) | 112 (7.1) | |
Medium (4–7) | 2263 | 2071 (91.5) | 192 (8.5) | |
High (8–10) | 2109 | 1953 (92.6) | 156 (7.4) | |
Missing | 3 | 2 | 1 | |
Child gender | ||||
Male | 3067 | 2834 (92.4) | 233 (7.6) | 0.684 |
Female | 2894 | 2666 (92.1) | 228 (7.9) | |
Injury | ||||
Yes | 3026 | 2784 (92.0) | 242 (8.0) | 0.439 |
No | 2935 | 2716 (92.5) | 219 (7.5) | |