Table 3.

Logistic Regression Results of Provider Reported HPV Completion in CA Adolescents, Odds Ratio and 95% Confidence Interval (NIS-Teen 2015–2019)

Adolescent-level characteristics	Odds Ratio (95%CI), p-value
Sex
Male	Reference
Female	1.29223 (.7274, 2.2957), .382
Census region of residence
Northeast	2.2422 (1.1829, 4.2503), .013**
Midwest	1.2750 (.6362, 2.5551), .493
South	Reference
West	2.8449 (1.2816, 6.3153), .010**
Current grade
6th - 8th	.0021 (.00002, .2643), .012**
9th to 12th	.0032 (.00003, .3920), .019**
HG/GED	.0067 (.00003, 1.6019), .073†
Not in school	Reference
Insurance
Private insurance only	2.7240 (.5440, 13.64145), .223
Any Medicaid	3.1345 (6372, 15.4188), .160
Other insurance	.5326 (.0850, 3.3362), .501
Uninsured	Reference
Parent-level characteristics
Marital status of mother
Currently married	Reference
Not currently married	2.3360 (1.1489, 4.7495), .019**
Education of mother
< 12 years	5.0600 (1.5304, 16.7295), .008**
12 years	1.9556 (.6636, 5.7634), .224
>12 years, non-college grad	.4836 (.1716, 1.3626), .169
College graduate	Reference
Provider/practice-level characteristics
Provider recommendation of HPV vaccine (ref: no)	8.1190 (3.5433, 18.6036), < .001***
Pediatrics specialty (ref: no)	3.1996 (1.2447, 8.2245), .016**
Internal medicine (ref: no)	1.9101 (.9015, 4.0468), .091†
Provider ordered vaccines from state/local health dept (ref: no)	1.3713 (.6424, 2.9272), .414
Provider conducted 11–12-year-old well child exam to teen	4.0555 (.8806, 18.6781), .072†

^†p < 0.1,

^*p < .05,

^**p < .01,

^***p < .001