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Table 1 Characteristics of ProActive participants with complete baseline and follow-up data, stratified by sex, n = 321

From: Who will increase their physical activity? Predictors of change in objectively measured physical activity over 12 months in the ProActive cohort

  Men
(N= 129)
Women
(N= 192)
  Baseline Follow-up Baseline Follow-up
Age (years) 40.2 (5.8) - 40.8 (6.1) -
Social class (based on the Index of Multiple 4.2 (0.9) - 4.2 (0.9) -
Deprivation score 1-5; 5 representing highest social class)     
BMI (kg/m2) 28.2 (4.3) 28.3 (4.3) 27.6 (5.2) 27.8 (5.4)a
Systolic blood pressure (mmHg) 127.1 (11.3) 124.5 (11.3)a 120.6 (13.8)b 116.8 (13.4)c
Diastolic blood pressure (mmHg) 81.4 (8.8) 79.6 (9.7)a 76.2 (9.3)b 73.9 (9.9)c
HbA1c (%) 5.3 (0.5) 5.5 (0.7)c 5.2 (0.5)b 5.3 (0.4)c
Total cholesterol (mmol/l) 5.3 (1.0) 5.3 (1.0) 5.1 (0.9) 5.2 (1.0)
Perceived behavioural control (scale 1-5; 5 representing highest perceived control) 3.8 (0.6) 3.6 (0.7)a 3.9 (0.6) 3.6 (0.7)c
Intention (scale 1-5; 5 representing highest level of intention) 3.7 (0.6) 3.7 (0.7) 3.7 (0.6) 3.6 (0.7)a
Current health status (scale 0-100, where 0 = worst imaginable health to 100 = best imaginable health state) 77.8 (14.7) 80.8 (13.6)a 79.0 (15.7) 81.7 (12.7)a
Spielberger state anxiety score (scale 20-80, where 80 represents the highest possible score) 36.4 (11.6) 33.8 (10.7)a 38.6 (12.6) 37.4 (12.0)
SF-36 physical functioning score (scale 0-100, with 100 indicating highest level of self-reported physical health) 90.9 (16.5) 95.5 (7.9)c 90.2 (14.2) 93.0 (12.4)a
SF-36 mental health score (scale 0-100, with 100 indicating highest level of self-reported mental health) 76.6 (15.0) 79.2 (15.0)a 74.0 (14.9) 75.4 (16.7)
Self-reported alcohol (total units/wk) 10.6 (10.6) N/A 4.6 (5.7)b N/A
Self-reported smoking status, n (%) current smoker 27 (20.9) 25 (19.4) 29 (15.1) 26 (13.5)
PAEE (kj/min) 8.2 (5.0) 9.1 (5.4) 4.6 (3.5)b 5.1 (3.2)a
VO2max (l/min) 4.0 (0.9) 4.0 (0.9) 2.7 (0.6)b 2.8 (0.6)
  1. Data are means (SD), except where stated otherwise. Means were compared using paired t-tests for baseline vs follow-up, and t-tests for men vs women at baseline. Proportions were compared using McNemar's test for baseline vs follow-up and a chi-squared test for men vs women at baseline. N/A = not available; a p < 0.05 for baseline vs follow-up (separately in men and women); b p < 0.001 for women vs. men at baseline; c p < 0.001 for baseline vs follow-up (separately in men and women)