Table 1.

Characteristics of Midlife in the United States Study (MIDUS) Full and Twin Samples

	MIDUS full sample
	Men (n = 307)		Women (n = 347)
	M (SD)	Range	M (SD)	Range	t
Physiological risk	1.67 (1.01)	0.0–4.5	1.75 (1.07)	0.0–5.03	−0.84
Neighborhood safety concerns	3.85 (0.34)	2.0–4.0	3.62 (0.47)	1.5–4.0	7.63*
Neighborhood income ($)	49,760 (18,997)	10,457–147,585	50,698 (22,353)	12,736–200,001	−0.49
Household income ($)	81,499 (60,089)	0–300,000	72,191 (59,638)	0–300,000	2.53*
Age (year)	55.83 (12.03)	34–83	54.72 (11.60)	34–84	1.37
	MIDUS twin sample
	Men (n = 218)		Women (n = 298)
	M (SD)	Range	M (SD)	Range	Estimate (SE)
Physiological risk	1.64 (1.01)	0–4.5	1.73 (1.08)	0.0–5.03	0.10 (0.09)
Neighborhood safety concerns	3.85 (0.35)	2.0–4.0	3.64 (0.44)	1.5–4.0	−0.21* (0.04)
Neighborhood income ($)	49,804 (18,440)	18,057–127,792	52,076 (23,248)	13,012–200,001	2,857 (1,943)
Household income ($)	85,578 (62,511)	43,922–300,000	75,974 (61,281)	0–300,000	−8,856 (5,648)
Age (year)	55.25 (11.88)	34–83	54.32 (11.46)	34–81	0.32 (0.12)*

*p < 0.05.