Table 5.

Age-related odds ratio (OR) and 95 % confidence interval (95 % CI) for work limitations (n = 460)

Work limitations related to	OR	95 % CI
Vigilance and clear judgment
Age <40 years (n = 92)	Reference
Age 40–50 years (n = 152)	0.99	0.6–1.7NS
Age 50 years and older (n = 216)	0.71	0.4–1.2NS
Communication abilities
Age <40 years (n = 92)	Reference
Age 40–50 years (n = 152)	1.2	0.7–2.1NS
Age 50 years and older (n = 216)	0.98	0.6–1.7NS
Eyesight
Age <40 years (n = 92)	Reference
Age 40–50 years (n = 152)	1.2	0.6–2.2NS
Age 50 years and older (n = 216)	1.5	0.9–2.8NS
Physical abilities
Age <40 years (n = 92)	Reference
Age 40–50 years (n = 152)	1.7	1.0–2.9*
Age 50 years and older (n = 216)	1.4	0.9–2.3NS

NS not statistically significant

* P < 0.05, indicating the statistical significance of the association