Table 3.

Correlation of self-administered questionnaire scores with age

Item	Spearman’s rank correlation	P value
Reading	0.12	0.121
Daytime driving	−0.02	0.818
Nighttime driving	0.04	0.725
Working at a Computer	−0.08	0.364
Watching TV	−0.02	0.756
Work-related activities	−0.07	0.483
Household activities	0.05	0.491
Outdoor activities	−0.07	0.325
Interpersonal relations	−0.14	0.048*
General happiness	−0.01	0.906

^*P < 0.05.