Table 4.

Factors for remission of asthma up to age 10 years (Predictive factors)

	Asthma remission % (n/N)	Persistent asthma % (n/N)	Odds ratio	95% Confidence interval	p-value
Male	68 (38/56)	53 (66/125)	1.9	1.0 – 3.6	0.06
Low Birth Weight$	8 (4/53)	5(6/123)	1.6	0.4 – 5.9	0.49
Pre-term delivery*	2 (1/53)	2 (2/123)	1.1	0.1 – 13.1	0.90
Maternal asthma	21.2 (11/52)	30.6 (37/121)	1.6	0.8 – 3.5	0.14
Paternal asthma	11.5 (6/52)	21.5 (26/121)	2.1	0.8 – 5.4	0.09
Recurrent chest infections up to 2 years of age	37 (15/41)	32 (31/98)	1.2	0.6 – 2.7	0.57
Less than 4 months breast feeding	78 (36/46)	65 (72/111)	2.0	0.9 – 4.4	0.10
Formula feeding in first 4 months of life	83 (38/46)	73 (80/109)	0.6	0.2 – 1.4	0.22
Maternal smoking during pregnancy	27 (15/55)	19 (24/124)	1.6	0.7 – 3.3	0.24
Overweight at 10	16.3 (7/43)	23.9 (26/109)	1.6	0.6 – 4.0	0.21
Atopy at 4	42 (16/38)	58 (54/94)	0.5	0.3 – 1.2	0.11
Atopy at 10	43 (20/47)	70 (73/104)	0.4	0.2 – 0.8	0.01
Wheeze at 1 or 2	46 (19/41)	37 (36/98)	1.5	0.7 – 3.1	0.29
Wheeze at 4	63 (32/51)	60 (64/107)	1.1	0.6 – 2.3	0.72
Wheeze at 10	89 (50/56	88 (110/125)	1.1	0.4 – 3.1	0.80
Asthma at age 4	52 (26/50)	56 (59/106)	0.9	0.4 – 1.7	0.67
Rhinitis at 1or 2	25 (11/44)	19 (19/98)	1.0	0.4 – 2.5	0.95
Rhinitis at age 4	15 (8/53)	17 (17/103)	1.0	0.4 – 2.5	1.00
Rhinitis at age 10	46 (25/55)	53 (64/121)	0.7	0.4 – 1.4	0.36
BHR Positive**	51.3 (20/39)	75.2 (79/105)	0.3	0.1 – 0.7	0.006

General Terms.

% (n/N) percentage determined from number of participants with condition/total number of participants with available information on the variable.

Specific Terms.

^$Low birth weight: <2.5Kg* Pre-term delivery was defined as delivery of child in less than 37 complete weeks of gestation.

**PC20<8mg/ml.