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. Author manuscript; available in PMC: 2024 Oct 5.
Published in final edited form as: Psychiatr Serv. 2021 Jun 30;73(2):141–148. doi: 10.1176/appi.ps.202100047

TABLE 3.

Weight, body mass index, fitness, and physical activity outcomes at 6- and 12-month follow-ups for each interventiona

Between-groups difference

Baseline 6 months 12 months 6 months 12 months





Outcome M SD M SD M SD t df p t df p

Weight (kg) .54 124 .59 .61 109 .54
 PeerFIT 107.6 26.9 109.7 26.3 109.2 27.6
 BEAT 105.1 20.9 106.7 22.1 106.9 22.5
Body mass index .56 124 .57 .65 113 .52
 PeerFIT 37.2 8.3 37.8 8.1 38.3 8.7
 BEAT 37.1 7.4 37.5 7.7 37.6 7.2
Cardiorespiratory fitness 6MWT distance (feet) .26 117 .79 1.00 88 .32
 PeerFIT 1,398 296 1,386 296 1,357 271
 BEAT 1,424 250 1,426 248 1,319 332
IPAQ total vigorous score (log of MET min) 1.15 122 .25 .89 104 .37
 PeerFIT 3.2 3.4 4.3 3.7 3.4 3.6
 BEAT 2.4 3.3 3.7 3.7 2.6 3.3
a

6MWT, 6-minute walk test; BEAT, basic education supported by activity tracking; IPAQ, International Physical Activity Questionnaire; MET, metabolic equivalent of task.