Table 2:
Post hoc analysis for the three recruitment strategies
| Recruitment strategy | n (%) | Odds ratio (95% CI) | p-value | |||||
|---|---|---|---|---|---|---|---|---|
| Meets physical activity guideline (n) | PR (reference) | 61 (45.2%) | ||||||
| Personal letter | 82 (60.3%) | 2.0 (0.1–1.3) | 0.026 | |||||
| Referral | 32 (32.7%) | 0.6 (0.3–1.1) | 0.113 | |||||
| Meana (95% CI) | Mean difference (95% CI) |
p-value | ||||||
| PR | Personal letter | Referral | PR | Personal letter | Referral | |||
| Physical functioning | PR | 69.6 (62.1–77.1) | — | — | — | — | — | — |
| Personal letter | 77.8 (67.2–88.3) | 8.1 (−5.6–21.9) | — | — | 0.373 | — | — | |
| Referral | 60.2 (52.6–67.9) | −9.4 (−18.4 - −0.3) | −17.5 (−30.9 - −4.1) | — | 0.039 | 0.007 | — | |
| Social functioning | PR | 76.7 (70.4–83.1) | — | — | — | — | — | — |
| Personal letter | 82.4 (72.0–92.0) | 5.7 (−7.3–18.7) | — | — | 0.565 | — | — | |
| Referral | 70.1 (63.5–76.8) | −6.6 (−15.5–2.3) | −12.3 (−24.7–0.2) | — | 0.210 | 0.054 | — | |
| Role limitation physical | PR | 69.4 (56.0–80.7) | — | — | — | — | — | — |
| Personal letter | 80.2 (63.4–97.0) | 10.8 (−11.8–33.5) | — | — | 0.511 | — | — | |
| Referral | 49.4 (47.6–61.3) | −20.0 (−35.3 - −4.6) | −30.8 (−52.7 - −8.9) | — | 0/006 | 0.004 | — | |
| Role limitation emotional | PR | 73.9 (62.5–85.3) | — | — | — | — | — | — |
| Personal letter | 86.1 (69.5–102.6) | 12.2 (−9.4–33.8) | — | — | 0.400 | — | — | |
| Referral | 64.9 (52.9–76.8) | −9.0 (−23.5–5.4) | −21.2 (−42.5–0.0) | — | 0.348 | 0.051 | — | |
| Vitality | PR | 61.7 (56.5–66.8) | — | — | — | — | — | — |
| Personal letter | 65.2 (56.9–73.4) | 3.5 (−7.7–14.6) | — | — | 0.745 | — | — | |
| Referral | 54.8 (49.4–60.1) | −6.9 (−14.3–0.5) | −10.4 (−20.7 - −0.0) | — | 0.078 | 0.049 | — | |
| Pain | PR | 71.2 (64.3–78.1) | — | — | — | — | — | — |
| Personal letter | 75.6 (65.7–85.6) | 4.4 (−9.3–18.1) | — | — | 0.788 | — | — | |
| Referral | 62.5 (55.3–69.8) | −8.7 (−18.3–0.9) | −13.1 (−26.5–0.3) | — | 0.087 | 0.056 | — | |
| General health | PR | 62.3 (58.6–66.0) | — | — | — | — | — | — |
| Personal letter | 65.0 (57.9–72.1) | 2.7 (−6.3–11.6) | — | — | 0.703 | — | — | |
| Referral | 49.6 (45.4–53.9) | −12.7 (−19.1 - −6.3) | −15.3 (−23.3 - −7.4) | — | 0.000 | 0/001 | — | |
| Health change | PR | 49.6 (45.3–54.0) | — | — | — | — | — | — |
| Personal letter | 51.5 (45.6–57.5) | 1.9 (−7.0–10.8) | — | — | 0.916 | — | — | |
| Referral | 40.5 (35.7–45.4) | −9.1 (−16.2 - −2.0) | −11.0 (−20.0 - −2.1) | — | 0.007 | 0.012 | — | |
| Motivation | PR | 9.1 (7.8–10.5) | — | — | — | — | — | — |
| Personal letter | 8.7 (6.8–10.6) | −0.5 (−3.2–2.3) | — | — | 0/953 | — | — | |
| Referral | 6.8 (5.3–8.2) | −2.4 (−4.4 - −0.3) | −1.9 (−4.6–0.8) | — | 0.017 | 0.237 | — | |
| Number of somatic diseases (n)b | PR | 1.7 (1.4–2.1) | — | — | — | — | — | — |
| Personal letter | 1.6 (0.5–2.7) | −0.1 (−1.2–0.9) | — | — | 0.925 | — | — | |
| Referral | 2.9 (2.5–3.3) | 1.2 (0.6–1.8) | 1.3 (0.5–2.2) | — | <0.001 | 0.004 | — | |
| Waist circumference (cm) b | PR | 100.5 (95.5–105.4) | — | — | — | — | — | — |
| Personal letter | 95.9 (89.0–102.7) | −4.6 (−13.6–4.4) | — | — | 0.513 | — | — | |
| Referral | 105.6 (100.5–110.6) | 5.1 (−0.6–10.8) | 9.7 (0.9–18.5) | — | 0.093 | 0.026 | — | |
| Shoulder flexibility (cm) | PR | 11.4 (8.7–14.1) | — | — | — | — | — | |
| Personal letter | 6.0 (2.2–9.8) | −5.4 (−10.7 - −0.7) | — | — | 0.046 | — | — | |
| Referral | 13.4 (10.5–16.2) | 2.0 (−1.9 - −5.8) | 7.3 (2.1–12.6) | — | 0.524 | 0.004 | — | |
| Leg strength (n) | PR | 12.7 (11.5–13.9) | — | — | — | — | — | — |
| Personal letter | 14.1 (12.5–15.8) | 1.4 (−0.8–3.6) | — | — | 0.297 | — | — | |
| Referral | 11.3 (10.1–12.5) | −1.4 (−2.9–0.4) | −2.9 (−5.0 - −0.7) | — | 0.060 | 0.005 | — | |
| Arm strength (n) | PR | 15.0 (13.4–16.7) | — | — | — | — | — | — |
| Personal letter | 18.3 (16.0–20.5) | 3.3 (0.4–6.1) | — | — | 0.020 | — | — | |
| Referral | 13.4 (11.8–15.1) | −1.6 (−3.3–0.2) | −4.8 (−7.6 - −2.1) | — | 0.089 | <0.001 | — | |
| Speed, agility and balance (sec)b | PR | 7.5 (6.9–8.1) | — | — | — | — | — | — |
| Personal letter | 5.6 (4.7–6.5) | −1.9 (−3.0 - −0.8) | — | — | <0.001 | — | — | |
| Referral | 7.9 (7.2–8.5) | 0.4 (−0.4–1.1) | 2.3 (1.2–3.3) | — | 0.559 | <0.001 | — | |
| Endurance (z) | PR | −0.3 (−0.6–0.1) | — | — | — | — | — | — |
| Personal letter | 0.2 (−0.2–0.7) | 0.5 (−0.7–1.1) | — | — | 0.100 | — | — | |
| Referral | −0.5 (−0.9 - −0.2) | −0.3 (−0.6–0.1) | −0.8 (−1.4 - −0.2) | — | 0.250 | 0.003 | — | |
Scores were adjusted for age, gender, and medication for medication related variables (blood pressure, glucose, cholesterol).
a
Estimated means.
b
A lower score represents a higher level of fitness.