Table 5.
Baseline characteristics of study sample
| Characteristics | Control (n = 179) | NEAT Girls (n = 178) | Total (N = 357) | |||
|---|---|---|---|---|---|---|
| Mean | SD(SE) | Mean | SD(SE) | Mean | SD(SE) | |
| Age (years) | 13.2(13.2) | .4(0.04) | 13.2(13.2) | .4(0.04) | 13.2 | .5(0.024) |
| Country of birth, n (%)1 | 174 | 97.2% | 175 | 98.3% | 349 | 97.8% |
| Language spoken at home, n (%)2 | 176 | 98.3% | 176 | 98.9% | 352 | 98.6% |
| Cultural background3 | ||||||
| Australian, n (%) | 153 | 85.5% | 152 | 85.4% | 305 | 85.4% |
| Asian, n (%) | 1 | .6% | 3 | 1.7% | 4 | 1.1% |
| European, n (%) | 18 | 10.1% | 18 | 10.1% | 36 | 10.1% |
| Other, n (%) | 7 | 4.0% | 4 | 2.2% | 11 | 3.1% |
| Weight (kg) | 58.4(58.4) | 13.8(1.44) | 58.4(58.3) | 14.2(1.44) | 58.4 | 13.9(0.74) |
| Height (m) | 1.61(1.61) | .07(0.00) | 1.60(1.60) | .06(0.01) | 1.60 | .07(0.00) |
| BMI (kg/m2) | 22.6(22.6) | 4.5(0.48) | 22.7(22.7) | 4.7(0.48) | 22.6 | 4.6(0.24) |
| BMI z-score | .78(0.78) | 1.17(0.12) | .82(0.82) | 1.12(0.12) | .80 | 1.14(0.06) |
| BMI Category | ||||||
| Underweight, n (%) | 1 | .6% | 1 | .6% | 2 | .6% |
| Healthy weight, n (%) | 99 | 55.3% | 103 | 57.9% | 202 | 56.6% |
| Overweight, n (%) | 50 | 27.9% | 43 | 24.2% | 93 | 26.1% |
| Obese, n (%) | 29 | 16.2% | 31 | 17.4% | 60 | 16.8% |
| BIA (body fat %) | 28.3(28.3) | 6.8(1.02) | 29.6(29.5) | 6.5(1.03) | 28.9 | 6.7(0.35) |
| Push-up test (reps) | 12(12.1) | 8(1.12) | 12(12.1) | 9(1.12) | 12 | 8(0.44) |
| Prone support test (s) | 48(48.0) | 34(5.32) | 54(53.4) | 34(5.33) | 51 | 34(1.82) |
| MVPA (mins/day)4 | 33.6(33.7) | 16.4(2.63) | 36.9(36.6) | 17.7(2.63) | 35.3 | 17.1(1.27) |
| Meeting MVPA guideline, n (%)5 | 11 | 9.6% | 13 | 11.2 | 24 | 10.4% |
| SSR (mins/day) | 262.4(262.5) | 170.5(18.81) | 284(284.5) | 162.3(18.90) | 273.2 | 166.6(8.83) |
| Meeting SSR guidelines, n (%)6 | 23 | 12.8% | 17 | 9.6% | 40 | 11.2% |
| Dietary intake (kJ/kg/day) | 163.4(163.3) | 81.3(8.69) | 173.0(173.8) | 91.4(8.71) | 168.2 | 86.5(4.58) |
Note. SD = Standard deviation; SE = Standard error; BMI = Body mass index; BIA = Bioelectrical impedance analysis; MVPA = Moderate-to-vigorous physical activity minutes per day; s = Seconds; mins = Minutes; SSR = Small screen recreation.
1Participants born in Australia
2Participants who speak English at home.
3One participant did not report their cultural background.
4n = 114 (Control), n = 116 (Intervention); N = 230 participants wore accelerometers for ≥600 minutes on ≥4 day.
5Participants meeting the MVPA of ≥60 minutes of MVPA.
6Participants not exceeding the SSR recommendations of ≥120 minutes each day.