Table 2.

Selected Characteristics of Samples of Kindergarteners With Personal Beliefs Exemptions, California Department of Public Health Kindergarten Retrospective Survey and Selective Review, 2009 (N=1,368)

	Random sample of schools	High-PBE schools
Variable	Mean (SD) or proportion	Mean (SD) or proportion
School-level variables
K enrollment	77.9 (42.5)	70.9 (34.8)
PBE rate	0.10	0.49
School offers PBE*	0.14	0.75
School type
Public school	0.82	0.29
Public charter school	0.03	0.48
Private school	0.14	0.23
Child-level variables
Number of vaccine doses reported	5.5 (5.6)	5.1 (6.4)
No vaccine doses recorded	0.44	0.53
Source of vaccine records:
Not stated	0.52	0.71
California Immunization Record	0.31	0.16
Other records	0.17	0.13
Mandated dose recorded on CSIR:
DTaP 1	0.54	0.45
DTaP 2	0.51	0.42
DTaP 3	0.36	0.39
DTaP 4	0.41	0.33
DTaP 5	0.15	0.13
Hepatitis B 1	0.03	0.33
Hepatitis B 2	0.03	0.29
Hepatitis B 3	0.03	0.26
Hib 1	0.48	0.30
Hib 2	0.42	0.27
Hib 3	0.38	0.24
Hib 4	0.36	0.11
MMR 1	0.47	0.34
MMR 2	0.18	0.11
Polio 1	0.52	0.39
Polio 2	0.50	0.37
Polio 3	0.45	0.32
Polio 4	0.19	0.14
Polio 5	0.01	0.01
Varicella 1	0.03	0.26
Varicella 2	0.01	0.04
N	262	1106

DTaP Diphtheria, tetanus, pertussis; Hib Hemophilus influenza B; MMR Measles, mumps, rubella. PBE personal beliefs exemption; CSIR California School Immunization Record.