Table 4 Adjusted analysis of post-intervention comparisons of key outcomes.

From: A cluster randomized trial comparing photoaging app and school based educational intervention for tobacco use prevention in adolescents

 

Photoaging app

(n = 122)

School-based module

(n = 105)

P-value

(Cluster-adjusted)

Post-intervention

ICC

Pre

Post

Pre

Post

Adjusted

probabilities

Adjusted 95% CI

Discussed harmful

effects with family

70.5%

79.4%*

66.4%

85.3%^

0.023

PA: 79.7%

(SB: 85.5%)

80.1–90.3

0.05

Willingness to

stop smoking

82.5%

92.5%^

87.6%

89.4%$

0.349

PA: 92.4%

(SB: 89.3%)

87.9–95.2

0.03

Smoking days in the last

month (0 Days)

86.9%

95.7%^

91.8%#

94.3%

0.114

PA: 95.7%

(SB: 91.8%)

91.7–98.7

0.04

  1. Following intention-to-treat principle. Statistical significance for ‘within the group’ difference: ^p-value < 0.001; *p-value = 0.021; $p-value = 0.450; #p-value = 0.316. ICC- intraclass correlation coefficient; PA- Photoaging app; SB- School-based module.
Back to article page