Group | No. | Pre-Intervention Score (mean, 95%CI) | P-value (comparison between groups for pre-intervention score) | Post-Intervention Score (mean, 95%CI) | Mean Difference | P-value | Comparison between groups for mean difference |
---|---|---|---|---|---|---|---|
All secondary school | 162 | 13.3 (12.9–13.8) |  | 14.2 (13.6–14.7) | 0.81 (0.25–1.38) | 0.005 |  |
Gender | Â | Â | 0.061 | Â | Â | Â | 0.57 |
 Male | 64 | 13.89 (13.17–14.61) |  | 14.53 (13.79–15.28) | 0.64 (−0.12–1.40) | 0.097 |  |
 Female | 98 | 12.99 (12.38–13.60) |  | 13.92 (13.13–14.71) | 0.93 (0.13–1.73) | 0.023 |  |
Age | Â | Â | 0.15 | Â | Â | Â | 0.21 |
 Younger (Age 13–14) | 32 | 14.03 (12.89–15.17) |  | 14.16 (12.83–15.48) | 0.13 (−1.18–1.43) | 0.85 |  |
 Older (Age 15–17) | 130 | 13.18 (12.67–13.69) |  | 14.16 (13.54–14.78) | 0.98 (0.36–1.61) | 0.002 |  |
School | Â | Â | 0.23 | Â | Â | Â | 0.15 |
 School 1 (Westspring) | 52 | 13.77 (12.92–14.62) |  | 14.08 (13.18–14.97) | 0.31 (− 0.66–1.28) | 0.53 |  |
 School 2 (Yishun Sec) | 81 | 12.90 (12.23–13.57) |  | 13.90 (13.09–14.71) | 1.00 (0.23–1.77) | 0.011 |  |
 Others | 29 | 13.82 (12.82–14.84) |  | 15.03 (13.57–16.50) | 1.21 (−0.44–2.85) | 0.14 |  |
Living with grandparents | Â | Â | 0.75 | Â | Â | Â | 0.22 |
 Yes | 37 | 13.49 (12.66–14.31) |  | 13.68 (12.52–14.84) | 0.19 (− 0.93–1.31) | 0.73 |  |
 No | 125 | 13.30 (12.75–13.86) |  | 14.30 (13.66–14.95) | 1.00 (0.35–1.65) | 0.003 |  |
Have you volunteered in an old person facility? | Â | Â | 0.66 | Â | Â | Â | 0.49 |
 Yes | 88 | 13.25 (12.64–13.86) |  | 13.86 (13.10–14.63) | 0.61 (−0.11–1.33) | 0.093 |  |
 No | 74 | 13.56 (12.73–14.19) |  | 14.51 (13.69–15.34) | 1.05 (0.15–1.96) | 0.023 |  |
Do you have any siblings? | Â | Â | 0.084 | Â | Â | Â | 0.58 |
 Yes | 128 | 13.56 (13.02–14.09) |  | 14.28 (13.66–14.90) | 0.73 (0.11–1.34) | 0.021 |  |
 No | 34 | 12.56 (11.67–13.45) |  | 13.71 (12.41–15.00) | 1.15 (−0.27–2.57) | 0.11 |  |