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Table 2 Completion of baseline assessment and questionnaires in participants and non-participants who are not active on GPPAQ by age, gender, Index of Multiple Deprivation (IMD) and ethnicity

From: Interpreting population reach of a large, successful physical activity trial delivered through primary care

  All invitees N = 10,927   Participants n = 924 Non-participants n = 715
  N N Standardised completion ratea
(95% CI)
Ratio of completion rates N Standardised completion ratea (95% CI) Ratio of completion rates
(95% CI)
Age
 45-54 years 5229 331 6.4 (5.7, 7.1) 0.60 (0.51,0.71) 238 4.6 (4.0, 5.1) 0.41 (0.34,0.49)
 55-64 years 3367 342 10.1 (9.1, 11.1) 0.94 (0.81,1.10) 213 6.3 (5.5, 7.1) 0.56 (0.47,0.67)
 65-74 years 2331 251 10.8 (9.4,11.9) 1.0 264 11.2 (10.0, 12.6) 1.0
Gender
 Female 5604 597 10.6 (9.8, 11.4) 1.0 408 7.2 (6.5, 7.9) 1.0
 Male 5323 327 6.2 (5.6,6.9) 0.59 (0.52, 0.67) 307 5.9 (5.2, 6.5) 0.82 (0.71, 0.94)
IMD national quintile b
 1Most deprived 712 40 5.5 (3.8, 7.2) 0.52 (0.39,0.70) 31 4.5 (3.0,6.0) 0.51 (0.37, 0.70)
 2 2768 183 6.7 (5.7,7.6) 0.63 (0.52, 0.78) 128 4.6 (3.8, 5.4) 0.52 (0.41,0.66)
 3 2960 288 9.6 (8.6,10.7) 0.92 (0.77,1.10) 213 7.1 (6.2, 8.0) 0.80 (0.65, 0.98)
 4 2328 206 8.8 (7.7, 10.0) 0.84 (0.69, 1.02) 172 7.4 (6.3, 8.4) 0.83 (0.67, 1.03)
 5Least deprived 1711 179 10.5 (9.1,11.9) 1.0 150 8.9 (7.5, 10.2) 1.0
Ethnicity
 White 8129c 709 8.7 (8.1, 9.3) 1.0 638 7.9 (7.3, 8.4) 1.0
 Asian 1131c 61 5.4 (4.1, 6.7) 0.62 (0.50, 0.76) 27 2.4 (1.5, 3.3) 0.31 (0.24, 0.38)
 Black 1084c 90 8.5 (6.7, 10.2) 0.97 (0.79, 1.20) 20 1.9 (1.1, 2.8) 0.24 (0.19, 0.31)
 Other 583c 22 3.8 (2.2,5.4) 0.44 (0.33,0.59) 20 3.9 (2.2,5.6) 0.59 (0.36 0.68)
  1. a Age percentages standardised for gender, gender and ethnicity percentages standardised for age, IMD percentages standardised for age and gender. Percentages are of all those invited
  2. b 448 people are missing IMD, primarily due to certain postcode areas not being included in the look-up table
  3. c Number of invitees estimated from practice summary data