		(1)	(2)
VARIABLES	LABELS	Unbalanced	Balanced
			
2.pdrink	S1 MAIN Frequency of alcohol consumption before preg - reverse categories = 2, Less than once a month	-0.047	-0.047
		(0.041)	(0.041)
3.pdrink	S1 MAIN Frequency of alcohol consumption before preg - reverse categories = 3, 1-2 times/mth	0.096	0.096
		(0.039)	(0.039)
4.pdrink	S1 MAIN Frequency of alcohol consumption before preg - reverse categories = 4, 1-2 times/wk	-0.017	-0.017
		(0.044)	(0.044)
5.pdrink	S1 MAIN Frequency of alcohol consumption before preg - reverse categories = 5, 3-4 times/wk	0.063	0.062
		(0.078)	(0.078)
6.pdrink	S1 MAIN Frequency of alcohol consumption before preg - reverse categories = 6, 5-6 times/wk	-0.128	-0.128
		(0.161)	(0.161)
7.pdrink	S1 MAIN Frequency of alcohol consumption before preg - reverse categories = 7, Every day	-0.041	-0.042
		(0.262)	(0.262)
1.psmoke	smoking during pregnancy = 1, yes	-0.029	-0.028
		(0.034)	(0.034)
1.lowbw	low birth weight = 1, lbw	-0.199***	-0.199***
		(0.063)	(0.063)
1.pndepr	pndepr = 1, Yes	-0.002	-0.003
		(0.026)	(0.026)
1.bfeed	age when last had breast milk - in months = 1, 1 day -3 months	-0.025	-0.024
		(0.030)	(0.030)
2.bfeed	age when last had breast milk - in months = 2, 13 weeks -6 months	0.041	0.042
		(0.035)	(0.035)
3.bfeed	age when last had breast milk - in months = 3, more than 6 months	-0.040	-0.040
		(0.046)	(0.046)
2.month2	RECODE of month (Cohort Member Date of Birth (month) ) = 2, October	0.040	0.040
		(0.059)	(0.059)
3.month2	RECODE of month (Cohort Member Date of Birth (month) ) = 3, November	0.080	0.080
		(0.060)	(0.060)
4.month2	RECODE of month (Cohort Member Date of Birth (month) ) = 4, December	-0.067	-0.067
		(0.060)	(0.060)
5.month2	RECODE of month (Cohort Member Date of Birth (month) ) = 5, January	-0.023	-0.023
		(0.060)	(0.060)
6.month2	RECODE of month (Cohort Member Date of Birth (month) ) = 6, February	0.006	0.006
		(0.062)	(0.062)
7.month2	RECODE of month (Cohort Member Date of Birth (month) ) = 7, March	0.029	0.030
		(0.055)	(0.055)
8.month2	RECODE of month (Cohort Member Date of Birth (month) ) = 8, April	-0.031	-0.031
		(0.060)	(0.060)
9.month2	RECODE of month (Cohort Member Date of Birth (month) ) = 9, May	-0.004	-0.004
		(0.054)	(0.054)
10.month2	RECODE of month (Cohort Member Date of Birth (month) ) = 10, June	-0.035	-0.035
		(0.059)	(0.059)
11.month2	RECODE of month (Cohort Member Date of Birth (month) ) = 11, July	0.041	0.041
		(0.064)	(0.064)
12.month2	RECODE of month (Cohort Member Date of Birth (month) ) = 12, August	0.060	0.060
		(0.057)	(0.057)
1.cmsex	RECODE of ahcsex00 (Cohort Member Sex   ) = 1, Female	0.017	0.017
		(0.023)	(0.023)
2.ethnic6	S1 DV Cohort Member Ethnic Group - 6 category Census class C1 = 2, Mixed	0.001	0.001
		(0.073)	(0.073)
3.ethnic6	S1 DV Cohort Member Ethnic Group - 6 category Census class C1 = 3, Indian	-0.150	-0.150
		(0.087)	(0.087)
4.ethnic6	S1 DV Cohort Member Ethnic Group - 6 category Census class C1 = 4, Pakistani and Bangladeshi	-0.183	-0.184
		(0.077)	(0.077)
5.ethnic6	S1 DV Cohort Member Ethnic Group - 6 category Census class C1 = 5, Black or Black British	-0.008	-0.008
		(0.101)	(0.101)
6.ethnic6	S1 DV Cohort Member Ethnic Group - 6 category Census class C1 = 6, Other Ethnic group (inc Chinese,Other)	0.012	0.012
		(0.152)	(0.152)
1.xsibs	S2 DV Number of siblings of CM in household = 1, 1	-0.011	-0.011
		(0.041)	(0.041)
2.xsibs	S2 DV Number of siblings of CM in household = 2, 2	0.013	0.013
		(0.043)	(0.043)
3.xsibs	S2 DV Number of siblings of CM in household = 3, 3+	-0.009	-0.009
		(0.057)	(0.057)
2.xincome	DV OECD Income Weighted Quintiles (Single Country Analysis) = 2, Fourth quintile	0.071	0.071
		(0.031)	(0.031)
3.xincome	DV OECD Income Weighted Quintiles (Single Country Analysis) = 3, Third quintile	-0.053	-0.053
		(0.033)	(0.033)
4.xincome	DV OECD Income Weighted Quintiles (Single Country Analysis) = 4, Second quintile	-0.050	-0.050
		(0.038)	(0.038)
5.xincome	DV OECD Income Weighted Quintiles (Single Country Analysis) = 5, Lowest quintile	-0.058	-0.059
		(0.050)	(0.051)
2.mage	S1 MAIN Respondent age at birth of CM (grouped) = 2, 20 to 29	0.012	0.011
		(0.056)	(0.056)
3.mage	S1 MAIN Respondent age at birth of CM (grouped) = 3, 30 to 39	-0.024	-0.025
		(0.057)	(0.057)
4.mage	S1 MAIN Respondent age at birth of CM (grouped) = 4, 40 plus	-0.050	-0.052
		(0.100)	(0.100)
1.xmeduc	S3 MAIN DV Respondent NVQ Highest Level (across sweeps 1,2 and 3) = 1, NVQ level 1	-0.107	-0.109
		(0.065)	(0.065)
2.xmeduc	S3 MAIN DV Respondent NVQ Highest Level (across sweeps 1,2 and 3) = 2, NVQ level 2	-0.133	-0.135
		(0.059)	(0.060)
3.xmeduc	S3 MAIN DV Respondent NVQ Highest Level (across sweeps 1,2 and 3) = 3, NVQ level 3	-0.084	-0.085
		(0.064)	(0.064)
4.xmeduc	S3 MAIN DV Respondent NVQ Highest Level (across sweeps 1,2 and 3) = 4, NVQ level 4	-0.098	-0.099
		(0.060)	(0.060)
5.xmeduc	S3 MAIN DV Respondent NVQ Highest Level (across sweeps 1,2 and 3) = 5, NVQ level 5	-0.096	-0.097
		(0.078)	(0.078)
6.xmeduc	S3 MAIN DV Respondent NVQ Highest Level (across sweeps 1,2 and 3) = 6, Overseas qual only	-0.174	-0.175
		(0.094)	(0.094)
xmkess00	S2 MAIN DV Kessler K6 Scale	-0.002	-0.002
		(0.004)	(0.004)
2.xmghealth5	RECODE of cmgena00 (S3 MAIN: Resp's general health) = 2, fair	-0.147	-0.146
		(0.104)	(0.104)
3.xmghealth5	RECODE of cmgena00 (S3 MAIN: Resp's general health) = 3, good	0.007	0.007
		(0.089)	(0.089)
4.xmghealth5	RECODE of cmgena00 (S3 MAIN: Resp's general health) = 4, v good	0.149	0.149
		(0.092)	(0.092)
5.xmghealth5	RECODE of cmgena00 (S3 MAIN: Resp's general health) = 5, excellent	0.309***	0.309***
		(0.095)	(0.095)
1.xmlongill	RECODE of bmloil00 (S2 MAIN Longstanding illness/disability/infirm) = 1, yes	-0.036	-0.035
		(0.033)	(0.033)
2.dfamphys2	RECODE of dfamphys (S4 MAIN Frequency of childs physical activities with family = 2, Less often than once a month	0.008	0.008
		(0.079)	(0.079)
3.dfamphys2	RECODE of dfamphys (S4 MAIN Frequency of childs physical activities with family = 3, Once or twice a month	0.040	0.040
		(0.066)	(0.066)
4.dfamphys2	RECODE of dfamphys (S4 MAIN Frequency of childs physical activities with family = 4, Once or twice a week	-0.001	-0.000
		(0.060)	(0.060)
5.dfamphys2	RECODE of dfamphys (S4 MAIN Frequency of childs physical activities with family = 5,  Several times a week	0.007	0.007
		(0.062)	(0.062)
6.dfamphys2	RECODE of dfamphys (S4 MAIN Frequency of childs physical activities with family = 6, Every day or almost every day	0.040	0.040
		(0.063)	(0.063)
2.xsport	RECODE of cmsehoa0 (S3 MAIN: Days per week CM does sport/exercise C1) = 2, One day a week	0.069	0.069
		(0.036)	(0.036)
3.xsport	RECODE of cmsehoa0 (S3 MAIN: Days per week CM does sport/exercise C1) = 3, Two days a week	0.121***	0.121***
		(0.040)	(0.040)
4.xsport	RECODE of cmsehoa0 (S3 MAIN: Days per week CM does sport/exercise C1) = 4, Three days a week	0.187***	0.187***
		(0.041)	(0.041)
5.xsport	RECODE of cmsehoa0 (S3 MAIN: Days per week CM does sport/exercise C1) = 5, Four days a week	0.115	0.115
		(0.060)	(0.060)
6.xsport	RECODE of cmsehoa0 (S3 MAIN: Days per week CM does sport/exercise C1) = 6, Five or more days a week	0.207***	0.206***
		(0.069)	(0.069)
1.xportfr	S3 MAIN: How many portions of fruit per day C1 = 1, One	0.186***	0.186***
		(0.061)	(0.061)
2.xportfr	S3 MAIN: How many portions of fruit per day C1 = 2, Two	0.187***	0.187***
		(0.058)	(0.058)
3.xportfr	S3 MAIN: How many portions of fruit per day C1 = 3, Three or more	0.222***	0.222***
		(0.057)	(0.057)
1.xpsych	RECODE of bmsdhsa0 (S2 MAIN Complains of headaches/stomach-aches/sickness C1) = 1, yes	-0.177***	-0.177***
		(0.036)	(0.036)
1.xpick	RECODE of bmsdpba0 (S2 MAIN Picked on or bullied by other children C1) = 1, yes	-0.158***	-0.158***
		(0.034)	(0.034)
Constant	Constant	4.279***	4.281***
		(0.145)	(0.145)
			
Observations		4,570	4,569
R-squared		0.117	0.117
Standard errors in parentheses			
*** p<0.005, ** p<0.0025, * p<0.0005			
