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Table 2 Differences in regular physical activity between the KM2H2 and the standard care groups at baseline, 6-month and 30-month post intervention

From: Persistent effect at 30-month post intervention of a community-based randomized trial of KM2H2 in reducing stroke and heart attack among senior hypertensive patients

Variables/Times KM2H2 Control p value
Regular physical activity Crude Adjusted Crude Adjusted  
% (n/N) % [95% CI] % (n/N) % [95% CI]
 Baseline 56.28 (130/231) 54.26 [44.84,63.68] 48.58 (103/212) 45.68 [36.38,54.98] 0.08
 6-month 79.23 (145/183) 75.57 [65.60, 85.54] 42.69 (73/171) 42.12 [32.22,52.03] <0.01
 30-month 65.27 (109/167) 64.98 [54.81,75.16] 43.62 (65/149) 40.97 [30.78,51.16] <0.01
Duration of regular physical activity Crude Adjusted Crude Adjusted  
Mean (SD) Mean [95% CI] Mean (SD) Mean [95% CI]
 Baseline 2.93 (1.20) 2.71 [2.43,2.99] 2.84 (1.12) 2.74 [2.46,3.02] 0.87
 6-month 3.48 (0.99) 3.34 [3.05,3.62] 2.97 (1.35) 2.84 [2.54,3.12] <0.01
 30-month 3.00 (1.85) 2.83 [2.54,3.12] 2.64 (1.23) 2.46 [2.17,2.76] 0.04
  1. Note: SD standard error, CI confidence interval. The adjusted proportion and mean were estimated and compared by using general linear mixed effects model (regular physical activity) and mixed effects model (duration of regular physical activity) controlling for effect of cluster randomization, repeated measures, baseline difference, and covariates