Table 1 Characteristics of the participants in the 8-year wave of the GUiNZ (with/without accelerometer data)
From: Sociodemographic differences in 24-hour time-use behaviours in New Zealand children
Variable | Participants without accelerometer data n (%) or mean n = 4856 | Participants with accelerometer data n (%) or mean n = 623 | p value* |
|---|---|---|---|
Age (years) | 7.6 (0.26) | 7.8 (0.24) | < 0.001 |
Gender | 0.117 | ||
Boy | 2516 (51.8) | 302 (48.5) | |
Girl | 2340 (48.2) | 321 (51.5) | |
Ethnicity | 0.003 | ||
European | 1623 (38.2) | 273 (44.2) | |
Māori | 968 (22.8) | 119 (19.3) | |
Pacific | 470 (11.1) | 45 (7.3) | |
Asian | 460 (10.8) | 74 (12.0) | |
Other | 727 (17.1) | 107 (17.3) | |
Missing | 608 | < 10 | |
Mother’s age at delivery (years) | < 0.001 | ||
≤ 20 | 276 (5.7) | 13 (2.1) | |
≤ 25 | 720 (14.8) | 66 (10.6) | |
≤ 30 | 1284 (26.4) | 155 (24.9) | |
≤ 35 | 1585 (32.6) | 237 (38.0) | |
≤ 40 | 864 (17.8) | 137 (22.0) | |
> 40 | 126 (2.6) | 15 (2.4) | |
Missing | < 10 | 0 | |
Mother’s level of education | < 0.001 | ||
Less than a bachelor’s degree | 2804 (63.0) | 300 (48.2) | |
Bachelor’s degree or higher | 2039 (37.0) | 323 (51.8) | |
Missing | 13 | 0 | |
Mother’s work hours | 0.001 | ||
< 15 | 1807 (41.2) | 181 (31.5) | |
15–30 | 819 (18.7) | 121 (21.0) | |
30–40 | 731(16.7) | 107 (18.6) | |
≥ 40 | 1030 (23.4) | 166 (28.9) | |
Missing | 469 | 48 | |
Household structure | 0.176 | ||
Single parent | 433 (9.5) | 62 (10.0) | |
Both parents | 3172 (69.5) | 447 (72.2) | |
Parent(s) with extended family or non-kin | 958 (21.0) | 110 (17.8) | |
Missing | 293 | < 10 | |
Household income | 0.001 | ||
≤ 70 k | 1092 (29.9) | 118 (21.0) | |
70–100 k | 655 (18.0) | 120 (21.4) | |
100–150 k | 860 (23.6) | 141 (25.1) | |
> 150 k | 1040 (28.5) | 183 (32.6) | |
Missing | 1209 | 61 | |
Household deprivationa | < 0.001 | ||
Low (1–3) | 1576 (35.1) | 222 (35.8) | |
Medium (4–7) | 1639 (36.5) | 276 (44.5) | |
High (8–10) | 1280 (28.5) | 122 (19.7) | |
Missing | 361 | < 10 | |
Residence location | 0.350 | ||
Urban | 3973 (88.4) | 540 (87.1) | |
Rural | 522 (11.6) | 80 (12.9) | |
Missing | 361 | < 10 | |
Screen time (min) | 278 | 272 | 0.607 |
Missing | 1949 | 151 |