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. Author manuscript; available in PMC: 2014 Jan 27.
Published in final edited form as: J Pediatr. 2008 Jun 25;153(4):503–508. doi: 10.1016/j.jpeds.2008.05.004

Table 2.

Association of potential risk factors for SIDS by univariate analysis with roomsharing without bedsharing, solitary sleeping and bedsharing.

Variable Total Roomsharing
without
Bedsharing
n (%)
Solitary
Sleeping
n (%)
Bedsharing
n (%)
P value

Total Sample 708 344 (48.6) 134 (18.9) 230 (32.5)
Maternal age, y <.001
  ≤19 120 41 (12.0) 18 (13.7) 61 (26.5)
  ≥20 583 301 (88.0) 113 (86.3) 169 (73.5)
Maternal race <.001
  Black 465 205 (60.3) 87 (66.9) 173 (75.5)
  Hispanic 96 59 (17.3) 9 (6.9) 28 (12.2)
  Other 32 19 (5.6) 6 (4.6) 7 (3.1)
  White 106 57 (16.8) 28 (21.6) 21 (9.2)
Maternal education .01
  Less than high school 145 64 (18.7) 21 (16.0) 60 (26.1)
  High school/GED 276 131 (38.2) 48 (36.7) 97 (42.2)
  Some college 206 101 (29.4) 46 (35.1) 59 (25.6)
  College/more 77 47 (13.7) 16 (12.2) 14 (6.1)
Infant age, mo <.001
  0–1 256 146 (42.5) 24 (18.0) 86 (37.4)
  2–3 145 72 (20.9) 27 (20.3) 46 (20.0)
  4–8 306 126 (36.6) 82 (61.7) 98 (42.6)
Infant health status .95
  Chronic/acute illness 59 28 (8.2) 12 (9.1) 19 (8.3)
  Healthy 646 315 (91.8) 120 (90.9) 211 (91.7)
Usual infant sleep position .02
  Non-supine 269 118 (34.3) 47 (35.1) 104 (45.2)
  Supine 439 226 (65.7) 87 (64.9) 126 (54.8)
Maternal smoking status .64
  Smoker 114 59 (17.2) 18 (13.6) 37 (16.1)
  Non-Smoker 591 284 (82.8) 114 (86.4) 193 (83.9)
Place of well-child care .06
  Free-standing clinic 112 55 (16.0) 25 (18.9) 32 (14.0)
  Hospital-based clinic 262 122 (35.5) 37 (28.0) 103 (45.0)
  None 13 5 (1.4) 3 (2.3) 5 (2.2)
  Private-practice/Other 318 162 (47.1) 67 (50.8) 89 (38.8)
Usual infant intake .34
  Includes breast milk 109 56 (16.3) 24 (17.9) 29 (12.7)
  Excludes beast milk 598 288 (83.7) 110 (82.1) 200 (87.3)