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Table 6 Baseline characteristics of participants in the intervention group (engaged vs. non-engaged)

From: Cluster-randomised trial to evaluate the ‘Change for Life’ mass media/ social marketing campaign in the UK

Mean (s.d.) unless stated

‘Engaged’ (n=52)

‘Non-engaged’ (n=480)

Group difference

Child age (years)

7.96 (2.04)

8.26 (1.84)

t(525)=1.09, p=0.28

Parent age (years)

37.06 (5.61)

39.20 (6.21)

t(512)=2.33, p=0.02*

Parent BMI

25.52 (4.33)

25.07 (5.04)

t(510)=-0.61, p=0.55

Child gender, n (%)

   

 Male

25, 48.1%

243, 50.6%

X2(1)=1.22, p=0.73

 Female

27, 51.9%

237, 49.4%

 

Ethnicity, n (%)

   

 White

46, 88.5%

376, 78.8%

X2(1)=2.70, p=1.00

 Non-white

6, 11.5%

101, 21.2%

 

Parent education, n (%)

   

 University

11, 21.2%

166, 35.2%

X2(1)=4.11, p=0.04*

 Non-university

41, 78.8%

306, 64.8%

 

Importance diet (1-5)+

4.58 (0.64)

4.58 (0.68)

t(528)=0.07, p=0.95

Importance activity (1-5)+

4.48 (0.67)

4.53 (0.67)

t(527)=0.48, p=0.63

Ease diet (1-5)+

4.02 (0.83)

3.62 (1.02)

t(69.22)=-3.23, p=0.006**

Ease physical (1-5)+

3.96 (0.79)

3.83 (0.91)

t(519)=-1.02, p=0.31

Rating of diet adequacy, n (%)

   

 Yes

40, 76.9%

323, 67.4%

X2(1)=1.95, p=0.16

 No

12, 23.1%

156, 32.6%

 

Rating of activity adequacy, n (%)

   

 Yes

34, 65.4%

354, 74.1%

X2(1)=1.80, p=0.18

 No

18, 34.6%

124, 25.9%

 
  1. *p < 0.05, **p < 0.01; +Higher score indicates a higher rating of importance or ease.