Table 3. Multiple logistic regression of factors affecting “Demand,” “Awareness,” and “Demand but poor awareness” on the pilot project of primary health care for people with disabilities.

Variables			Demand		Awareness		Demand but poor awareness
			Odds ratio (95% CI)	P value	Odds ratio (95% CI)	P value	Odds ratio (95% CI)	P value
Predisposing factors
	Age, yr
		1–19	Ref		Ref		Ref
		20–64	0.58 (0.21–0.61)	0.294	0.52 (0.20–1.36)	0.180	1.21 (0.57–2.60)	0.617
		65+	0.93 (0.32–2.67)	0.887	0.41 (0.15–1.17)	0.095	1.75 (0.79–3.87)	0.166
	Gender
		Female	Ref		Ref		Ref
		Male	1.07 (0.75–1.53)	0.722	1.56 (0.98–2.50)	0.062	0.96 (0.70–1.32)	0.793
	Marital status
		Married	Ref		Ref		Ref
		No married	0.89 (0.59–1.32)	0.551	1.44 (0.89–2.33)	0.140	0.84 (0.59–1.18)	0.309
	Education
		< High school (none, primary, middle)	Ref		Ref		Ref
		High school	1.08 (0.63–1.86)	0.766	0.84 (0.46–1.55)	0.575	0.95 (0.60–1.51)	0.838
		College, university	1.55 (0.87–2.74)	0.135	0.60 (0.31–1.16)	0.131	1.48 (0.90–2.43)	0.120
	Living arrangement
		Live with others	Ref		Ref		Ref
		Live alone	1.26 (0.76–2.11)	0.371	0.42 (0.20–0.88)	0.020*	1.44 (0.91–2.29)	0.116
Enabling factors
	Incomea
		Low	Ref		Ref		Ref
		Medium	1.06 (0.67–1.67)	0.798	0.74 (0.43–1.28)	0.282	1.11 (0.75–1.66)	0.598
		High	1.22 (0.68–2.20)	0.510	0.68 (0.32–1.47)	0.329	1.30 (0.77–2.20)	0.318
	Occupational status
		Currently employed	Ref		Ref		Ref
		Unemployed	0.72 (0.47–1.10)	0.127	0.70 (0.41–1.18)	0.181	0.87 (0.60–1.26)	0.465
	Public health insurance
		Health insurance	Ref		Ref		Ref
		Medical aid	1.30 (0.68–2.49)	0.433	2.10 (1.13–3.90)	0.020*	0.80 (0.48–1.33)	0.389
	Support status
		None	Ref		Ref		Ref
		Care giver (informal, formal)	1.15 (0.73–1.81)	0.545	1.27 (0.69–2.33)	0.447	1.03 (0.68–1.55)	0.896
	Home bound
		Non-homebound	Ref		Ref		Ref
		Homebound	0.56 (0.26–1.24)	0.152	1.96 (0.88–4.38)	0.099	0.80 (0.48–1.33)	0.389
	Utilization of health services
		Not experienced	Ref		Ref		Ref
		Experienced	1.57 (0.98–2.52)	0.060	1.47 (0.91–2.38)	0.117	1.11 (0.77–1.62)	0.572
	Health information sources
		None	Ref		Ref		Ref
		Health service center	0.80 (0.43–1.50)	0.490	4.00 (1.65–9.68)	0.002**	0.52 (0.30–0.90)	0.020*
		Welfare center/Government office	0.99 (0.55–1.78)	0.973	4.16 (1.79–9.68)	0.001**	0.62 (0.37–1.03)	0.066
		Family, friend, neighborhood	0.92 (0.46–1.82)	0.802	1.33 (0.47–3.80)	0.590	1.00 (0.54–1.87)	0.988
		Mass media	1.03 (0.65–1.64)	0.903	2.18 (0.97–4.89)	0.058	0.81 (0.53–1.26)	0.354
Need factors
	Chronic disease
		None	Ref		Ref		Ref
		Yes	1.86 (1.28–2.70)	0.001**	1.68 (1.02–2.78)	0.043*	1.29 (0.92–1.81)	0.136
	Assistance in ADL
		Not need	Ref		Ref		Ref
		Need	0.99 (0.64–1.53)	0.954	0.88 (0.50–1.53)	0.651	1.07 (0.72–1.57)	0.019*
	Severity of disability
		Mild	Ref		Ref		Ref
		Severe	1.23 (0.82–1.85)	0.325	1.78 (1.07–2.93)	0.025*	0.88 (0.62–1.26)	0.493
	Disability type
		External physical	Ref		Ref		Ref
		Mental, developmental	0.87 (0.45–1.69)	0.690	1.29 (0.65–2.53)	0.466	0.83 (0.48–1.42)	0.494
		Internal organ	0.67 (0.39–1.17)	0.158	0.95 (0.48–1.91)	0.893	0.83 (0.50–1.37)	0.457
	Subjective health status
		Poor	Ref		Ref		Ref
		Moderate	0.75 (0.49–1.16)	0.196	1.56 (0.90–2.69)	0.115	0.69 (0.47–0.99)	0.046*
		Good	0.61 (0.36–1.03)	0.067	4.51 (2.38–8.57)	< 0.001***	0.36 (0.22–0.56)	< 0.001***
	Depressive status
		None	Ref		Ref		Ref
		Depressive	1.33 (0.91–1.93)	0.141	1.03 (0.64–1.64)	0.906	1.26 (0.91–1.76)	0.162
	Unmet need
		None	Ref		Ref		Ref
		Unmet need	2.40 (1.40–4.11)	0.001**	0.71 (0.41–1.25)	0.235	1.96 (1.29–2.99)	0.002**
Log likelihood			−459.71674		−324.64034		−562.60989
Pseudo R2			0.0917		0.1417		0.0886

CI = confidence interval, proxy response adjusted.

^aIncome (per month): low, < 1 million won; medium, ≥ 1 million & ≤ 3 million; high, 3 million.

^*P < 0.05, ^**P < 0.01, ^***P < 0.001.