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Table 3 Associations between objective measures of occupational/leisure time physical activity and systolic ambulatory blood pressure (mmHg) (N=151)

From: Occupational and leisure time physical activity in contrasting relation to ambulatory blood pressure

Occupational physical activity groups crude mean SBP at work (SD) P(T-test) P* (Ancova) crude mean SBP at home (SD) P(T-test) P* (Ancova) crude mean SBP during sleep (SD) P(T-test) P* (Ancova)
Proportion of moderate or vigorous activity counts during working time   0.95 0.98   0.95 0.86   0.25 0.19
  High (Q4) 130.7 (12.3)    129.3 (12.5)    114.8 (10.3)   
  Low (Q1-Q3) 130.5 (11.6)    129.2 (10.1)    112.2 (12.1)   
Leisure time physical activity groups crude mean SBP at work (SD) P ( T -test) P ** (Ancova) crude mean SBP at home (SD) P ( T -test) P ** (Ancova) crude mean SBP during sleep (SD) P ( T -test) P ** (Ancova)
Proportion of moderate or vigorous activity counts during leisure time   <0.01 <0.05   <0.01 <0.05   0.42 0.71
  High (Q4) 126.1 (10.2)    125.1 (10.4)    111.5 (9.7)   
  Low (Q1-Q3) 132.0 (11.9)    130.5 (10.5)    113.3 (12.3)   
  1. Abbreviations: SBP, systolic blood pressure; SD, standard deviation; Ancova, Analysis of Covariance; Q4, upper quartile: Q1-Q3, lowest 3 quartiles.
  2. * Adjusted for gender, age, BMI, smoking, job strain and usual level of leisure time physical activity.
  3. ** Adjusted for gender, age, BMI, smoking, job strain and usual level of occupational physical activity (summary measure).