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Table 1 Demographics of the analysed sample at 1, 2, 3.5, and 5 years of agea (n = 528)

From: Adherence to 24-h movement behavior guidelines and psychosocial functioning in young children: a longitudinal analysis

   Age (years)
   All 1 2 3.5 5
N   528 315 256 305 382
Maternal age at child’s birth, mean (SD) years   32.6 (4.6) 32.9 (4.5) 32.9 (4.4) 33.0 (4.5) 32.8 (4.5)
Primiparous, n (%)   249 (47.2) 159 (50.5) 112 (43.8) 134 (43.9) 170 (44.5)
Maternal ethnicity, n (%) European 462 (87.5) 282 (89.5) 229 (89.5) 270 (88.5) 337 (88.2)
Māori 21 (4.0) 11 (3.5) 6 (2.3) 11 (3.6) 14 (3.7)
Other 45 (8.5) 22 (7.0) 21 (8.2) 24 (7.9) 31 (8.1)
Maternal tertiary education, n (%)   359 (68.0) 224 (71.1) 180 (70.3) 205 (67.2) 258 (67.5)
Household deprivation Low 196 (37.1) 116 (36.8) 104 (40.6) 122 (40.0) 142 (37.2)
Medium 231 (43.8) 142 (45.1) 106 (41.4) 130 (42.6) 168 (44.0)
High 101 (19.1) 57 (18.1) 46 (18.0) 53 (17.4) 72 (18.9)
Infant sex, n (%) female   256 (48.5) 155 (49.2) 117 (45.7) 146 (47.9) 191 (50.0)
BMI z-score at 5 years of age, mean (SD)   0.46 (0.89) 0.41 (0.84) 0.43 (0.87) 0.47 (0.87) 0.48 (0.89)
  1. aAnalysed sample determined by those with data on mental wellbeing at 5 years of age, all demographics reported, and physical activity data at other ages