Participants in the TTM arms were slightly but not significantly
more likely to make positive stage changes in the TTM arms than
the control arm when those whose stage was missing were
included as having made no positive stage change (Table 3).
However, when these people were excluded, the effect of the TTM
armwas slightly greater, though thiswas not statistically significant
with or without adjustment for potential confounders. The effect
size was small, with an increase in odds of 20% or so. The mean
change score in the controls was 0.39 and in the TTM was 0.46,
a difference (95% CI) of 0.08 (0.00–0.16), which was not statistically
significant (p ¼0.064). On adjustment for confounders, this difference
was reduced slightly to 0.07 (0.01 to 0.15). When those with
missing data were excluded, the unadjusted and adjusted mean
differences (95% CIs) were 0.12 (0.01 to 0.24) and 0.10 (0.03 to
0.22).
Participants in the TTM arms were slightly but not significantlymore likely to make positive stage changes in the TTM arms thanthe control arm when those whose stage was missing wereincluded as having made no positive stage change (Table 3).However, when these people were excluded, the effect of the TTMarmwas slightly greater, though thiswas not statistically significantwith or without adjustment for potential confounders. The effectsize was small, with an increase in odds of 20% or so. The meanchange score in the controls was 0.39 and in the TTM was 0.46,a difference (95% CI) of 0.08 (0.00–0.16), which was not statisticallysignificant (p ¼0.064). On adjustment for confounders, this differencewas reduced slightly to 0.07 (0.01 to 0.15). When those withmissing data were excluded, the unadjusted and adjusted meandifferences (95% CIs) were 0.12 (0.01 to 0.24) and 0.10 (0.03 to0.22).
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Participants in the TTM arms were slightly but not significantly
more likely to make positive stage changes in the TTM arms than
the control arm when those whose stage was missing were
included as having made no positive stage change (Table 3).
However, when these people were excluded, the effect of the TTM
armwas slightly greater, though thiswas not statistically significant
with or without adjustment for potential confounders. The effect
size was small, with an increase in odds of 20% or so. The mean
change score in the controls was 0.39 and in the TTM was 0.46,
a difference (95% CI) of 0.08 (0.00–0.16), which was not statistically
significant (p ¼0.064). On adjustment for confounders, this difference
was reduced slightly to 0.07 (0.01 to 0.15). When those with
missing data were excluded, the unadjusted and adjusted mean
differences (95% CIs) were 0.12 (0.01 to 0.24) and 0.10 (0.03 to
0.22).
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