A low-birth-weight risk assessment scale: development and validation through a questionnaire-based survey

Table 4 Relationship between total scores and birth weight, birth history, and maternal smoking status during pregnancy

Items	Group					t	F	p	Tukey–Kramer HSD test (p value)
Birth weight (g)	< 2500	≥2500 g
Mean	65.9	68.7				−3.153		0.002
(SD)	(8.8)	(8.0)				−3.153		0.002
n	86	802
Birth history	Primipara	Multipara
Mean	69.7	67.7				3.534		p < 0.0001
(SD)	(8.6)	(7.7)				3.534		p < 0.0001
n	334	554
Maternal smoking status	No history of smoking	Stopped smoking before this pregnancy	Permanently stopped smoking during this pregnancy	Temporarily stopped smoking during this pregnancy	Continued smoking throughout this pregnancy				No history of smoking > Continued smoking throughout this pregnancy (p < 0.0001) Stopped smoking before this pregnancy > Continued smoking throughout this pregnancy (p < 0.0001) Permanently stopped smoking during this pregnancy > Continued smoking throughout this pregnancy (p < 0.0001)
Mean	68.9	69.6	69.2	65.8	59.8		7.894	p < 0.0001
(SD)	(7.7)	(8.4)	(7.8)	(6.9)	(8.5)		7.894	p < 0.0001
n	579	130	53	17	21

t test, one-way analysis of variance; p < 0.05. HSD honestly significant difference, SD standard deviation

ISSN: 1472-6963