Table 2.

Frailty Incidence for Low vs High Self-Efficacy - weighted counts

		Model 1 (Primary)		Model 2
Variable		Hazard Ratios	P values	Hazard Ratios	P values
Time intervals	1	ref	ref	ref	ref
	2	0.86 (0.71–1.03)	0.103	0.89 (0.74–1.07)	0.207
	3	0.86 (0.69–1.06)	0.149	0.90 (0.72–1.12)	0.336
	4	0.96 (0.79–1.16)	0.636	1.03 (0.85–1.25)	0.757
	5	0.67 (0.52–0.86)	0.002	0.74 (0.58–0.96)	0.024
	6	0.83 (0.68–1.02)	0.082	0.94 (0.76–1.16)	0.552
	7	0.83 (0.63–1.08)	0.163	0.95 (0.72–1.25)	0.708
Self-Efficacy
	Low	1.41 (1.15–1.73)	0.002	1.27 (1.02–1.58)	0.032
Demographics
Baseline Age	65–69	ref	ref	ref	ref
	70–74	1.65 (1.35–2.01)	<0.001	1.52 (1.23–1.88)	<0.001
	75–79	2.21 (1.83–2.66)	<0.001	1.93 (1.60–2.33)	<0.001
	80–84	2.95 (2.42–3.59)	<0.001	2.51 (2.03–3.10)	<0.001
	85–89	4.06 (3.29–5.02)	<0.001	3.31 (2.63–4.16)	<0.001
	90+	5.27 (4.13–6.72)	<0.001	4.01 (3.17–5.08)	<0.001
Race/ Ethnicity	White, non-Hispanic	ref	ref	ref	ref
	Black, non-Hispanic	1.28 (1.10–1.50)	0.002	1.28 (1.09–1.49)	0.003
	Hispanic	1.11 (0.87–1.41)	0.383	1.21 (0.95–1.55)	0.117
	Other	1.07 (0.66–1.73)	0.780	1.13 (0.72–1.80)	0.585
Education	< 8th grade	ref	ref	ref	ref
	9–12th No diploma	0.84 (0.65–1.09)	0.193	0.85 (0.66–1.11)	0.238
	High school diploma	0.69 (0.57–0.83)	<0.001	0.77 (0.63–0.93)	0.009
	> High school	0.60 (0.50–0.72)	<0.001	0.64 (0.52–0.79)	<0.001
Sex	Male	ref	ref	ref	ref
	Female	1.05 (0.92–1.20)	0.457	0.90 (0.78–1.03)	0.113
Baseline Income	<15k	ref	ref	ref	ref
	15k–30k	0.89 (0.76–1.04)	0.127	0.86 (0.73–1.03)	0.094
	30k–60k	0.70 (0.58–0.84)	<0.001	0.73 (0.59–0.89)	0.003
	>60k	0.56 (0.46–0.69)	<0.001	0.61 (0.50–0.75)	<0.001
Baseline Disability	Fully able			ref	ref
	Accommodate/reduced frequency			1.40 (1.22–1.60)	<0.001
	Difficulty			2.41 (1.86–3.12)	<0.001
	Need assistance			2.74 (2.22–3.39)	<0.001
Disease Count				1.30 (1.25–1.35)	<0.001

Notes: Model 1 is adjusted for age, race/ethnicity, sex, education and income. Model 2 is further adjusted for chronic disease count and disability.