Fitness center use and subsequent achievement of exercise goals. A prospective study on long-term fitness center members

Table 3 Fitness center use during 18 months associated with subsequent goal achievement among 2851 long-term fitness members. Crude and adjusted odds ratio for reporting low goal achievement^a

Fitness center use during 18 months	No. of persons	No. of cases	Crude odds ratio	Adjusted odds ratio^b	95% CI^c
Number of days with visits (thirds)
None	70	22	6.7	6.9	3.9–12.2
Low (1–57)	923	339	8.4	8.5	6.3–11.4
Medium (58–117)	924	121	2.2	2.2	1.6–3.1
High (118–543)	934	60	1.0	1.0	Ref
Number of three-month periods with visits
< 4	268	117	4.7	4.7	3.6–6.2
4–5	441	124	2.4	2.4	1.9–3.0
6	2142	301	1.0	1.0	Ref
Number of group activity bookings (thirds)
None	638	165	4.5	5.5	3.9–7.8
Low (1–26)	744	199	4.7	5.1	3.7–7.1
Medium (27–80)	729	125	2.7	2.8	2.0–3.9
High (81–550)	740	53	1.0	1.0	Ref
Number of fitness trainer bookings
None	2391	464	1.0	1.0	Ref
1	273	54	1.0	1.0	0.8–1.5
≥ 2	187	24	0.6	0.6	0.4–1.0

CI: Confidence interval
^aLow goal achievement was defines as scores between 0 and 50 on the VAS-scale
^bAdjusted for age (< 30, 30–39, 40–49, 50–59, 60–69 and ≥ 70 years), higher education (yes, no), and sex (man, woman)
^c95% CI for adjusted ratio

ISSN: 2052-1847