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Table 2 Stepwise multiple regression analysis predicting BMI change from gender, health behaviour changes and interaction between gender and health behaviours

From: Changes in weight, physical activity, sedentary behaviour and dietary intake during the transition to higher education: a prospective study

Step Independent variables Beta (95% CI) p-value d ΔR 2 F(df), p Adj R 2 F(df), p
1 Gender1 −0.57 (−0.82 -0.31) <0.001 0.57 0.07 0.06
Residency2 −0.07 (−0.34, 0,21) 0.62 0.06 F(4, 286) = 5.1, p = 0.001 F(4,286) = 5.1, p = 0.001
Socio-economic status3 −0.07 (−0.34, 0.21) 0.63 0.06
Smoking status4 −0.13 (−0.67, 0.4) 0.62 0.06
2 Gender1 −0.49 (−0.74, −0.24) <0.001 0.49 0.06 0.11
Residency2 −0.14 (−0.41, 0.13) 0.30 0.13 F(5, 281) = 5.3, p = 0.002 F (9, 281) = 5.3, p < 0.001
Socio-economic status3 −0.02 (−0.28, 0.25) 0.89 0.02
Smoking status4 −0.18 (−0.70, 0.35) 0.51 0.08
Change in sport participation −0.15 (−0.27, −0.03) 0.02 0.31
Change in internet use 0.14 (0.02, 0.26) 0.02 0.29
Change in time spent studying −0.14 (−0.26, −0.01) 0.03 0.27
Change in fruit and vegetable intake −0.10 (−0.22, 0.03) 0.13 0.19
Change in alcohol consumption 0.07 (−0.05, 0.20) 0.25 0.14
3 Gender1 −0,40 (−0.66, −0.14) 0.003 0.39 0.02 0.12
Residency2 −0,22 (−0.49, 0.06) 0.12 0.20 F(2, 279) = 3.3, p = 0.04 F(9, 279) = 4.9, p < 0.001
Socio-economic status3 0.004 (−0.26, 0.27) 0.98 0.00
Smoking status4 −0.20 (−0.72, 0.33) 0.46 0.09
Change in sport participation −0.16 (−0.28, −0.04) 0.01 0.32
Change in internet use 0.13 (0.01, 0.25) 0.04 0.27
Change in time spent studying −0.13 (−0.25, −0.01) 0.03 0.27
Change in fruit and vegetable intake 0.11 (−0.37, 0.60) 0.65 0.06
Change in alcohol consumption −0.21 (−0.61, 0.18) 0.37 0.14
Gender × change in fruit and vegetable intake −0.06 (−0.13, 0.01) 0.08 0.22
Gender × change in alcohol consumption 0.08 (−0.01, 0.17) 0.08 0.22
  1. CI = confidence interval.
  2. 1ref: boy.
  3. 2ref: home.
  4. 3ref: low socio-economic status.
  5. 4ref: non-smoking.