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

Table 2 Fitness center use during 18 months associated with subsequent mean goal achievement score among 2851 long-term fitness members

Fitness center useduring 18 months	No. of persons (%)	Mean goal achievement score^a	Crude ratio^b	Adjusted^c ratio^b	95% CI^d
Number of days with visits (thirds)
None	70 (3)	30	1.6	1.6	1.3–1.9
Low (1–57)	923 (32)	36	1.9	1.9	1.8–2.1
Medium (58–117)	924 (32)	25	1.3	1.3	1.2–1.4
High (118–543)	934 (33)	19	1.0	1.0	Ref
Number of three-month periods with visits
< 4	268 (9)	38	1.6	1.6	1.5–1.8
4–5	441 (16)	31	1.3	1.3	1.2–1.4
6	2142 (75)	24	1.0	1.0	Ref
Number of group activity bookings (thirds)
None	638 (22)	29	1.5	1.5	1.4–1.7
Low (1–26)	744 (26)	31	1.7	1.7	1.5–1.8
Medium (27–80)	729 (26)	27	1.5	1.5	1.3–1.6
High (81–550)	740 (26)	19	1.0	1.0	Ref
Number of fitness trainer bookings
None	2391 (84)	26	1.0	1.0	Ref
1	273 (10)	25	0.9	0.9	0.8–1.0
≥ 2	187 (7)	24	0.9	0.9	0.8–1.0

CI = confidence interval
^aGeometric mean from an inverted VAS (0–100). Higher score indicates lower self-reported goal achievement
^bRatio between geometric means
^cAdjusted for age < 30, 30–39, 40–49, 50–59, 60–69 and ≥ 70 years), higher education (yes, no), and sex (man, woman)
^d95% CI for adjusted ratio

ISSN: 2052-1847