Table 4

Adjusted pass frequencies for receipt of preventive services by men and women in the Lupus Outcomes Study

Immunizations (n = 1117)

Cancer Screening (n = 1364)

All Services (n = 2481)


Sociodemographics

Percent (95% CI)

Age

18 to 34

0.42 (0.32,0.52)

0.63 (0.52,0.74)

0.48 (0.40,0.56)

35 to 54

0.58 (0.54,0.63)

0.65 (0.61, 0.70)

0.62 (0.59, 0.66)

55 to 64

0.59 (0.52,0.65)

0.70 (0.66,0.75)

0.66 (0.62,0.70)

65+ (referent)

0.72 (0.64,0.81)

0.76 (0.70,0.83)

0.75 (0.69,0.80)

Gender

Female

0.57 (0.47, 0.67)

0.73 (0.59, 0.88)

0.60 (0.51, 0.69)

Male (referent)

0.59 (0.56, 0.63)

0.68 (0.65, 0.71)

0.64 (0.62, 0.67)

Education

HS Grad or less

0.47 (0.38,0.57)

0.63 (0.56,0.71)

0.57 (0.51,0.64)

Some College

0.58 (0.53,0.62)

0.66 (0.61,0.70)

0.62 (0.59,0.65)

College (referent)

0.64 (0.59,0.69)

0.73 (0.69,0.77)

0.69 (0.65,0.73)

Race/Ethnicity

White

0.61 (0.57, 0.65)

0.67 (0.64, 0.71)

0.65 (0.62, 0.68)

Non-White (referent)

0.54 (0.48, 0.60)

0.70 (0.65, 0.75)

0.62 (0.59, 0.66)

Income

Above Poverty

0.60 (0.56,0.63)

0.68 (0.65,0.71)

0.64 (0.62,0.67)

Below Poverty (referent)

0.54 (0.44, 0.64)

0.72 (0.64, 0.79)

0.64 (0.57, 0.71)

Health Care Access

Insurance

HMO with Public Insurance (Medicare, Medicaid)

0.77 (0.68, 0.87)

0.63 (0.53, 0.73)

0.69 (0.62, 0.76)

HMO with Private Insurance

0.60 (0.54, 0.67)

0.63 (0.57, 0.69)

0.62 (0.57, 0.66)

No HMO, Public Insurance (Medicare, Medicaid)

0.57 (0.51, 0.63)

0.66 (0.60, 0.72)

0.62 (0.57, 0.66)

No HMO, Private Insurance (referent)

0.56 (0.50, 0.62)

0.76 (0.71, 0.80)

0.67 (0.63, 0.71)

Generalist Involved in Care

Generalist (referent)

0.61 (0.57, 0.65)

0.69 (0.66, 0.72)

0.66 (0.63, 0.68)

No Generalist

0.50 (0.43, 0.58)

0.64 (0.57, 0.71)

0.58 (0.52, 0.64)

Rheumatologist Involved in Care

Rheumatologist (referent)

0.61 (0.57, 0.64)

0.69 (0.66, 0.72)

0.65 (0.63, 0.67)

No Rheumatologist

0.47 (0.38, 0.55)

0.67 (0.61, 0.74)

0.59 (0.53, 0.65)

Total Outpatient Physician Visits*

Fewer visits (mean - 1 SD) (5.5)

0.54 (0.48, 0.59)

0.61 (0.56, 0.66)

0.58 (0.54, 0.62)

Mean visits (15.8)

0.58 (0.55, 0.62)

0.69 (0.66, 0.71)

0.64 (0.62, 0.66)

More visits (mean + 1 SD) (26.2)

0.63 (0.58, 0.68)

0.75 (0.71, 0.80)

0.70 (0.66, 0.73)

Health Status

SLAQ Score*

Score at mean - 1 SD (4.7)

0.65 (0.60, 0.70)

0.67 (0.62, 0.72)

0.66 (0.62, 0.70)

Score at mean (12.6)

0.59 (0.56, 0.63)

0.68 (0.65, 0.71)

0.64 (0.62, 0.66)

Score at mean + 1 SD (20.5)

0.53 (0.48, 0.58)

0.70 (0.66, 0.74)

0.62 (0.59, 0.66)

SF-36 Physical Function*

Score at mean (58.6)

0.58 (0.55, 0.62)

0.69 (0.66, 0.71)

0.69 (0.66, 0.71)

Score at mean + 1 SD (88.0)

Contextual Factor

0.49 (0.43, 0.55)

0.74 (0.70, 0.78)

0.74 (0.70, 0.78)

Neighborhood Poverty

No (referent)

0.59 (0.55, 0.62)

0.68 (0.65, 0.71)

0.64 (0.61, 0.66)

Yes

0.63 (0.53, 0.73)

0.74 (0.65, 0.83)

0.69 (0.63, 0.76)


Values represent adjusted pass frequencies from multivariate logistic regression models, which provide estimates of the probability of individuals receiving services after controlling for the other variables listed. Bolded values indicate P < 0.05. Abbreviations: SLAQ, Systemic Lupus Activity Questionnaire; SF-36, Short-Form 36 Health Survey.

*These were continuous variables in the regression models; pass frequencies represent the values at the mean score for the variable, and one standard deviation above and below the mean.

Yazdany et al. Arthritis Research & Therapy 2010 12:R84   doi:10.1186/ar3011

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