표 3 패널 단위근 검정 결과

변수	LLC	IPS	Fisher-ADF	Fisher-PP
ln출생아수	2.621	0.536	1.903	0.723
ln출생아수(첫째)	0.364	-0.156	3.996	2.593
ln출생아수(둘째)	5.432	1.028	1.029	0.261
ln출생아수(셋째)	14.198	2.610***	0.047	0.022
ln혼인	-5.650	-0.987	27.314	9.972
ln초혼연령	3.028	-0.228	1.969	4.604
ln인구20-44	3.445	14.718	28.057	3.629
ln매매가격	-4.527	-0.889	27.124	13.456
ln전세가격	-5.880	-1.617	30.091	29.135
ln구입부담지수	-8.412	-1.929*	117.738	45.629
lnPIR	-2.179*	-1.648	25.120	31.245
lnLIR	-1.675*	-1.300	12.838	18.691
ln사교육비	8.478	0.953	0.305	0.325
lnGRDP	-3.251***	-1.254	18.637	25.536
비정규직근로자비율	-0.979	-1.831	36.547	40.245
경제활동참가율(여자)	0.493	-0.497	19.162	12.307

주: 는 p<0.1, p<0.05, p<0.01, p<0.001을 의미.
LLC, Levin–Lin–Chu; IPS, Im–Pesaran–Shin; ADF, augmented Dickey–Fuller; PP, Phillips–Perron; PIR, price income ratio; LIR, loan income ratio; GRDP, gross regional domestic product.