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Table 5 Linear mixed model 1 : adjusted means and effect of trial arm at each time point

From: Feasibility, acceptability and validity of SMS text messaging for measuring change in depression during a randomised controlled trial

Time Acupuncture Counselling Usual care Effect of trial arm
Week Mean SE Mean SE Mean SE F df p
2 5.56 0.136 5.73 0.143 5.74 0.195 0.48 2 .621
3 5.76 0.134 5.56 0.142 5.60 0.191 0.54 2 .582
4 5.49 0.133 5.54 0.142 5.44 0.191 0.10 2 .909
5 5.26 0.132 5.30 0.142 5.57 0.188 0.98 2 .375
6 5.10 0.135 5.18 0.144 5.25 0.193 0.22 2 .806
7 4.95 0.137 5.03 0.146 5.31 0.193 1.23 2 .292
8 4.80 0.141 4.95 0.147 5.35 0.198 2.60 2 .074
9 4.78 0.144 4.74 0.152 5.15 0.199 1.56 2 .211
10 4.62 0.147 4.57 0.154 5.39 0.207 5.91 2 .003
11 4.67 0.153 4.69 0.161 5.67 0.213 8.55 2 .000
12 4.60 0.157 4.47 0.165 5.64 0.219 10.08 2 .000
13 4.36 0.162 4.62 0.172 5.20 0.225 4.60 2 .010
14 4.21 0.169 4.64 0.176 5.10 0.238 4.82 2 .008
15 4.18 0.177 4.53 0.185 5.11 0.243 4.78 2 .008
16 4.18 0.184 4.39 0.193 5.24 0.253 5.93 2 .003
  1. 1Model definition: SMS score over 15 weeks predicted by trial arm, time, arm x time interaction, adjusting for baseline PHQ-9.
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