Table 2

Morbidity as recorded by the CONI mothers

	% days when recorded: birth to 90 days, death, or end of recording			Morbidity ratios*
Signs and symptoms	Survivors (n = 98)	SIDS (n = 11)	Other deaths (n = 10)	SIDS	p value†	Other deaths	p value†
*Standardised morbidity ratio based on observed and expected number of days on which the symptom was recorded. Morbidity data was restricted to 90 days—a period common to all groups.
†One tailed p values obtained by simulation.
Snuffles	22	18	24	64	0.08	88	0.63
Ruttling	7	5	5	56	0.10	50	0.17
Wheeze	5	19	4	268	0.16	43	0.30
Cough	11	20	15	133	0.34	80	0.35
Turn	1	1	0	144	0.42	14	0.00
Oral thrush	5	5	14	110	0.62	141	0.50
Sore gums	1	10	1	321	0.23	77	0.43
Colic	19	34	7	192	0.24	29	0.00
Refused feed	1	1	1	150	0.30	60	0.39
Reduced feed	6	8	5	124	0.30	62	0.25
Thirsty	2	4	1	229	0.30	84	0.13
Vomit	8	10	5	132	0.48	61	0.13
Drier bowel	3	8	4	336	0.08	120	0.59
Loose bowel	8	8	8	100	0.58	81	0.18
Irritable	9	16	13	199	0.03	152	0.34
Sleepy	2	3	0	139	0.27	11	0.00
Different cry	2	4	4	135	0.46	192	0.44
Sore bottom	8	17	9	227	0.08	199	0.09
Eczema	10	5	7	33	0.02	41	0.00
Rash	10	17	1	197	0.11	10	0.00
Stick eye	9	7	2	80	0.33	19	0.00
Hot	1	2	0	172	0.33	19	0.00
Cold	0	1	1	318	0.14	405	0.17
Sweating	1	5	1	612	0.07	229	0.28
Pale	1	7	0	840	0.03	100	0.32
Not self	4	7	4	194	0.13	149	0.46