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. Author manuscript; available in PMC: 2013 Mar 22.
Published in final edited form as: Am J Clin Nutr. 2010 Jun 2;92(2):375–382. doi: 10.3945/ajcn.2010.29438

Table 4.

Potential confounding factors by allelic variation at rs33972313 of SCL23A1 in the British Women’s Heart and Health Study
Mean or proportion (95%CI) of each confounder
Genotype at rs33972313
Confounder n GG GA AA p
*SEP 3062 4.42
(4.33, 4.50)		 4.54
(4.21, 4.88)		 2.75
(0.50, 5.00)		 0.8
*Latitude (m) 3512 395251.4
(389175.8, 401327)		 397481.8
(374060, 420903.5)		 300689.8
(158551.1, 442828.4)		 0.8
*Longitude (m) 3512 405369.2
(401935.5, 408802.8)		 408850.3
(395613.5, 422087)		 378235.2
(297905.6, 458564.9)		 0.8
<1hr vigorous
activity/wk (y/n)		 3125 18.39
(17.00, 19.86)		 19.58
(14.81, 25.43)		 20.76
(11.74, 34.04)		 0.7
< 2 drinks/day
(y/n)		 3385 18.64
(17.32, 20.03)		 19.26
(14.63, 24.93)		 19.92
(11.32, 32.64)		 0.8
Parental CVD
(y/n)		 3419 50.12
(48.39, 51.86)		 52.12
(45.61, 58.56)		 54.16
(41.13, 66.65)		 0.5
HRT
(y/n)		 3507 18.56
(17.12, 20.08)		 20.91
(16.23, 26.52)		 23.68
(14.27, 36.66)		 0.3
Current smoker
(y/n)		 3703 10.87
(9.87, 11.96)		 8.53
(5.67, 12.65)		 6.68
(2.87, 14.77)		 0.3

Proportions/means (95%CI) of confounding features by allele derived from linear regression.

*

Indicates continuous variable.

SEP denotes socioeconomic position score.