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Table 3 Anthropometry, HRQOL and proportion (%) of children in each weight status categorya for total sample

From: Changes in weight status, quality of life and behaviours of South Australian primary school children: results from the Obesity Prevention and Lifestyle (OPAL) community intervention program

 

INT

COMP

Intervention effect (unadjusted models)

(marginal mean difference b)

Intervention effect (adjusted models)c

(marginal mean differenceb)

 

Y3 (Baseline)

Y5 (Final)

Y3 (Baseline)

Y5 (Final)

INT

COMP

INT vs COMP

p value

INT

COMP

INT vs COMP

p value

n

1208

1010

1145

750

1208

1010

1145

750

    

Anthropometry

 BMI (kg/m2)

18.54d

18.43e

18.29e

18.64e

−0.17 (−0.47–0.13)

0.37 (−0.01–0.76)

−0.54 (−1.03 - -0.05)

0.029**

−0.12 (−0.40–0.17)

0.16 (−0.17–0.50)

−0.28 (−0.72–0.16)

0.209

 BMI z-score

0.33g

0.40f

0.30e

0.46e

0.05 (− 0.05–0.16)

0.18** (0.04–0.31)

− 0.12 (− 0.29–0.05)

0.151

0.05 (− 0.05–0.16)

0.14** (− 0.02–0.26)

−0.08 (− 0.24–0.08)

0.306

HRQoL

0.80

0.79

0.82

0.77

–

–

–

–

−0.012 (− 0.029–0.004)

−0.046** (− 0.071 – − 0.022)

0.034** (0.006–0.062)

0.016

 

INT

COMP

Intervention effect (unadjusted models)

(odds ratio (95% CI)2)

Intervention effect (adjusted models)

(odds ratio (95% CI)2)

 

Y3 (Baseline)

Y5 (Final)

Y3 (Baseline)

Y5 (Final)

INTh

COMPi

INT vs COMPj

p value

INTh

COMPi

INT vs COMPj

p value

n

1202

983

1144

749

1202

983

1144

749

    

Weight status categorya

%

%

%

%

   

 Underweight

7.4

4.7

5.8

4.4

0.62** (0.43–0.91)

0.75 (0.48–1.18)

0.83 (0.46–1.48)

0.525

0.63** (0.43–0.91)

0.75 (0.48–1.17)

0.84 (0.47–1.52)

0.570

 Healthy weight

69.1

70.9

74.5

70.5

1.13 (0.92–1.37)

0.78 (0.61–1.00)

1.44 (1.05–1.98)

0.024**

1.11 (0.92–1.35)

0.85 (0.68–1.06)

1.31 (0.98–1.73)

0.069

 Overweight

18.1

18.7

15.8

17.9

0.99 (0.78–1.26)

1.25 (0.94–1.68)

0.79 (0.54–1.16)

0.226

1.01 (0.80–1.27)

1.16 (0.88–1.54)

0.87 (0.60–1.25)

0.451

 Obese

5.5

4.6

3.9

6.5

0.85 (0.56–1.27)

1.65** (1.03–2.64)

0.51** (0.28–0.95)

0.035**

0.81 (0.54–1.21)

1.61** (1.03–2.51)

0.51** (0.28–0.92)

0.026**

 Combined overweight/obese

23.5

23.3

19.8

24.4

0.94 (0.75–1.17)

1.41** (1.07–1.86)

0.67 (0.47–0.95)

0.025**

0.96 (0.78–1.18)

1.27 (1.00–1.62)

0.75 (0.54–1.04)

0.083

  1. Abbreviations INT Intervention communities, COMP Comparison communities, Y Year
  2. **p < 0.05 before Bonferroni adjustment. No comparisons were significantly different after sequential Bonferroni adjustment
  3. aInternational Obesity Taskforce cut-points [33, 34]; bMarginal mean difference for continuous measures and odds ratio form weight status categories; cModels were adjusted by age and ICSEA score, other than BMI z-score which was adjusted for ICSEA score only; dn = 2 missing; en = 1 missing; fn = 12 missing; gn = 6 missing; hOdds of weight status categories at final for intervention group, baseline is the reference group; iOdds of weight status categories at final for comparison group, baseline is the reference group; jOdds of weight status categories for INT8, COMP9 is the reference group