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Table 3 Changes in key daily activPAL variables across any valid day/s at 6- and 16–18-month follow-up

From: The effectiveness of the Structured Health Intervention For Truckers (SHIFT): a cluster randomised controlled trial (RCT)

Daily variables (min/day) Number of clusters Number of participants Baseline
Mean (SD)
Follow-up
Mean (SD)
Mean change from baseline to follow-up (SD) SHIFT vs. control
Control SHIFT Control SHIFT Control SHIFT Control SHIFT Control SHIFT Adjusted mean difference (95% CI) a p-value
Steps per day b
 16–18 months 12 10 90 74 8978 (3226) 9663 (3122) 8789 (3148) 9259 (3105) − 189 (2169) − 404 (2688) 94 (− 878, 1066) 0.849
Time sitting b
 6 months 13 12 119 90 675 (92) 664 (92) 696 (87) 655 (93) 21 (79) − 9 (77) − 24 (− 43, − 6) 0.011
 16–18 months 12 10 90 74 676 (97) 651 (87) 679 (98) 647 (77) 4 (82) − 4 (90) − 12 (− 34, 9) 0.268
Time standing b
 6 months 13 12 119 90 204 (55) 209 (53) 194 (56) 210 (61) − 10 (37) 1 (48) 14 (2, 26) 0.024
 16–18 months 12 10 90 74 200 (54) 216 (61) 197 (58) 211 (64) − 3 (45) − 5 (77) 11 (− 5, 27) 0.183
Time stepping b
 6 months 13 12 119 90 116 (34) 122 (40) 107 (32) 122 (40) − 8 (23) − 0.4 (32) 11 (1, 21) 0.024
 16–18 months 12 10 90 74 117 (36) 125 (38) 114 (37) 120 (36) − 2 (22) − 5 (31) 1 (− 9, 11) 0.818
Time LPA b
 6 months 13 12 119 90 101 (29) 107 (34) 94 (28) 104 (33) − 6 (19) − 3 (25) 5 (− 2, 12) 0.152
 16–18 months 12 10 90 74 102 (29) 109 (34) 100 (32) 104 (32) − 2 (18) − 5 (26) − 1 (− 8, 7) 0.863
Time MVPA b
 6 months 13 12 119 90 15 (15) 15 (14) 13 (10) 18 (18) − 2 (14) 3 (19) 6 (0.3, 11) 0.038
 16–18 months 12 10 90 74 14 (15) 16 (14) 14 (13) 16 (16) − 1 (15) − 0.1 (16) 2 (− 3, 7) 0.539
  1. aAdjusted for variable at baseline, average waking wear time across baseline and 6 (or 12) months, and cluster size category (small < 40; large ≥40) with a random effect for cluster (depot)
  2. b≥ 1 valid day at baseline and 6 (or 16–18) months