BMC Pediatrics

Table 3 Changes in KAP supporting a healthy lifestyle throughout the study (n = 76)

From: Effectiveness of a school-based intervention on knowledge, attitude and practice on healthy lifestyle and body composition in Malaysian adolescents

Variable^a		IG (n = 34)		CG (n = 42)
Variable^a	Difference	Mean difference (95% CI)^b	p-value	Mean difference (95% CI)^b	p-value
Knowledge	Post I – Pre	3.71 (1.73, 5.68)*	< 0.001	1.81 (0.10, 3.52)*	0.035
	Post II - Pre	3.82 (2.07, 5.58)*	< 0.001	2.24 (0.51, 3.97)*	0.007
	Post II – Post I	0.12 (−1.76, 1.99)	1.000	0.43 (−0.85, 1.71)	1.000
Attitude	Post I – Pre	−0.53 (−5.20, 4.14)	1.000	2.83 (−1.73, 7.39)	0.385
	Post II - Pre	−0.15 (−5.39, 5.09)	1.000	0.05 (−5.36, 5.45)	1.000
	Post II – Post I	0.38 (−4.17, 4.94)	1.000	−2.79 (−6.80, 1.23)	0.272
Practice	Post I – Pre	2.85 (−7.64, 1.94)	0.428	2.48 (−1.82, 6.77)	0.472
	Post II - Pre	−1.38 (−6.64, 3.88)	1.000	3.14 (−2.66, 8.94)	0.550
	Post II – Post I	1.47 (−1.40, 4.34)	0.616	0.67 (−4.05, 5.38)	1.000

*Significant difference (p < 0.05)
^aScore range: knowledge (0–32); attitude (24–144); practice (35–175). Higher scores in the respective scales indicate better knowledge of a healthy lifestyle, more positive attitudes towards a healthy lifestyle and a healthier lifestyle being practised
^bPairwise comparisons with Bonferroni adjustment for 95% confidence interval for the difference

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