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Table 4 Crude and adjusted odds ratios (95 % CIs) for predictors of vaccination initiation and completion and adjustment variables used in regression modeling (Utah, January-December 2013)

From: Factors related to HPV vaccine uptake and 3-dose completion among women in a low vaccination region of the USA: an observational study

 

Initiated

Completed

DAG-directed Adjustment Variablesa

Crude (95 % CI)

Adjusted (95 % CI)

Crude (95 % CI)

Adjusted (95 % CI)

Physician rec. influential (Likert)

1.71

(1.39–2.11)

1.86

(1.46–2.36)

1.85

(1.46–2.34)

2.01

(1.53–2.63)

Factor 1: Attitudes toward vaccines, Age

Age (per year)

0.85

(0.77–0.94)

**

0.87

(0.79–0.95)

**

**

Education (ref: High school)

 

Age

 Some college

2.22

(1.13–4.35)

2.33

(1.15–4.70)

2.38

(1.20–4.71)

2.53

(1.25–5.14)

 College graduate

1.61

(0.82–3.14)

2.72

(1.26–5.88)

1.79

(0.90–3.56)

3.07

(1.39–6.77)

 Graduate school

0.96

(0.36–2.55)

1.62

(0.55–4.76)

1.34

0.49–3.66)

2.26

(0.74–6.90)

Ethnicity (white vs. non-white)

1.18

(0.67–2.07)

**

1.42

(0.81–2.49)

**

**

Marital status (ever vs never married)

0.28

(0.17–0.47)

0.31

(0.18–0.53)

0.30

(0.18–0.50)

0.32

(0.18–0.56)

Age, Factor 2: Regular Gynecological care, Factor 4: External locus of health control 1: (medical pros), Factor 5: Internal locus of health control

Practice Organized Religion (yes vs no)

0.40

(0.25–0.63)

0.41

(0.25–0.67)

0.38

(0.25–0.61)

0.40

(0.25–0.64)

Factor 1: Attitudes toward vaccines, Physician recommendation

  1. For variables with **, they are unconfounded without adjustment and so adjustment variables are not needed
  2. aMinimal sufficient adjustment set for estimating the total effect of variable on Vaccine uptake