Table 4.

Adjusted incidence rate ratios and 95% confidence intervals of associations with health-related measures in negative binomial regressions

	Physical healtha		Mental healthb		Activity limitationsc
	Sample 1 (n = 1874)	Sample 2 (n = 2005)	Sample 1 (n = 1876)	Sample 2 (n = 2004)	Sample 1 (n = 1872)	Sample 2 (n = 2004)
Caregiver strain	1.20 (1.12:1.29)	1.11 (1.04:1.18)	1.21 (1.14:1.27)	1.20 (1.14:1.27)	1.13 (1.04:1.21)	1.11 (1.03:1.19)
Work strain	0.96 ( 0.87: 1.05)	1.02 (0.94:1.11)	1.03 (0.96:1.11)	1.12 (1.04:1.21)	0.88 (0.80:.96)	0.99 (0.90:1.08)
Independence	0.93 (0.85:1.01)	0.84 (0.75:.95)	0.97 (0.91:.1.04)	0.83 (0.74:.94)	1.02 (0.94:1.12)	0.87 (0.77:1.00)
Risk-taking	0.95 (0.87:1.04)	1.00 (0.92:1.08)	0.86 (0.80:.92)	0.99 (0.91:1.08)	0.93 (0.85:1.01)	1.02 (0.94:1.12)
Emotional intelligence	0.93 (0.84:1.03)	0.93 (0.85:1.01)	0.97 (0.89:1.05)	0.86 (0.78:.93)	0.98 (0.88:1.10)	0.92 (0.84:1.02)
Social support	0.95 (0.89:1.02)	0.94 (0.89:1.00)	0.86 (0.81:.90)	0.81 (0.76:.86)	0.92 (0.86:.99)	0.87 (0.81:.94)
Discrimination	1.46 (1.34:1.59)	1.43 (1.30:1.57)	1.44 (1.34:1.53)	1.35 (1.24:1.48)	1.76 (1.61:1.93)	1.56 (1.40:1.73)
Sex (male=0)	0.94 (0.81:1.10)	0.93 (0.80:1.08)	0.94 (0.83:1.06)	1.21 (1.05:1.40)	0.88 (0.74:1.04)	1.11 (0.94:1.31)

Incidence rate ratios are adjusted for year of birth, ethnicity, race, education, and personal income. See Tables S29-S31 for model specifications

^aNumber of days with poor physical health during the last 30 days

^bNumber of days with poor mental health during the last 30 days

^cNumber of days with activity limitations due to poor physical and mental health during the last 30 days