Table 2.

Mixed effects analysis of the relationship between ASQ and colic and sleep problems

	ASQ
Variable	B	95% CI	p-values
Colic
Time
Baseline (6 months)	ref
18 months	− 0.03	− 0.06 to   0.00	0.02
3 years	0.03	− 0.00 to - 0.06	0.07
5 years	−0.10	− 0.14 to - 0.06	< 0.01
Sleep duration a
Time
Baseline (6 months)	ref
18 months	0.09	0.04 to 0.14	< 0.01
3 years	0.08	0.01 to 0.14	0.02
5 years	−0.02	− 0.11 to 0.07	0.62
Frequent nocturnal awakenings b
Time
Baseline (6 months)	ref
18 months	−0.06	−0.01 to - 0.02	< 0.01
3 years	−0.01	−0.01 to - 0.03	< 0.01
5 years	0.01	−0.01 to - 0.02	0.26
Easy to put to bed c
Time
Baseline (6 months)	ref
18 months	−0.06	−0.08 to − 0.03	< 0.01
3 years	0.03	0.00 to − 0.5	0.04
5 years	−0.09	− 0.01 to − 0.05	< 0.01

*Adjusted for ICQ. Mother’s education, mother’s age

^aSleep duration: Hours of sleep per day

^bFrequent nocturnal awakenings: Usually wakes during the night

^cEasy to put to bed: Easy to put to bed and falls asleep quickly