Table 1

Factors related to SIDS victims at time of death

Factor1984–1989
n = 109
No (%)
1990–1992
n = 26
No (%)
1993–1998
n = 39
No (%)
p value for interaction with period
Cold last week53 (52)7 (28)20 (57)0.06
Cold last day36 (37)7 (29)14 (40)0.69
High body temperature last week11 (11)2 (9)7 (21)0.30
Face covered or straight down36 (35)9 (39)12 (32)0.87
Found outdoors29 (27)6 (23)3 (8)0.05
Age at death
 Under 2 months4 (4)1 (4)8 (20)0.01
 2–4 months73 (67)13 (50)17 (44)
 ⩾5 months32 (29)12 (46)14 (36)
Put down last sleep
 Prone86 (82)16 (64)7 (19)<0.01
 Side13 (12)3 (12)10 (27)
 Back6 (6)6 (24)20 (54)
Sleep position found dead
 Prone100 (93)22 (85)22 (63)<0.01
 Side2 (2)03 (9)
 Back5 (5)4 (15)10 (28)
Co-sleeping at time of death2 (2)013 (34)<0.01