Table 2

Paired t-tests on the preintervention and postintervention measurements for change in nutritional knowledge scores and attitude scores, social support scores, and self-efficacy scores towards nutrition counselling in the intervention and comparison group separately

Intervention group (n=66)Comparison group (n=52)
PreinterventionPostinterventionDifference scoreEffect sizePreinterventionPostinterventionDifference scoreEffect size
Mean±SDMean±SDMean±SDCohen’s dMean±SDMean±SDMean±SDCohen’s d
Knowledge
(0–13)
4.65±1.776.35±1.57+1.70*±2.071.023.69±1.883.60±1.86−0.10±1.860.05
Attitude
(−2 to +2)
1.09±0.341.17±0.66+0.07±0.670.150.86±0.320.86±0.39<0.01±0.37<0.01
Social support
(−2 to +2)
−0.68±0.57−0.48±0.64+0.20*±0.590.33−0.43±0.55−0.53±0.64−0.10±0.660.17
Self-efficacy
(−2 to +2)
−0.13±0.520.71±0.48+0.84*±0.561.680.15±0.450.06±0.51−0.09±0.440.19
  • *P<0.05.