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. 2019 Feb 21;21(2):e12854. doi: 10.2196/12854

Table 2.

Change in smoking prevalence in the intervention and control groups from baseline to 12-month follow-up.

Pairwise contrasts Survey wave pairwise contrasts Contrast estimate SE t (df) P valuea 95% CIb
Intervention 12-month follow-up from baseline 0.015 0.015 0.975 (883) .33 −0.015, 0.045
Control 12-month follow-up from baseline 0.096 0.018 5.413 (714) <.001 0.061, 0.131
Difference in change Control and intervention groups 0.081 0.023 3.456 (1595) <.001 0.035, 0.127

aThe sequential Sidak adjusted significance level is .05.

bConfidence interval bounds are approximate.