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Table 3 Participant characteristics for the training data (MEC) and the three validation datasets (CENIC, HSS, and METS)

From: Predicting nicotine metabolism across ancestries using genotypes

 

MEC

CENIC

HSS

METS

 

(N=2239)

(N=515)

(N=580)

(N=315)

Age

 Mean (SD)

63.9 (7.19)

43.4 (13.2)

60.6 (9.40)

33.8 (10.9)

 Median [Min, Max]

63.0 [45.0, 86.0]

44.0 [18.0, 75.0]

60.6 [19.6, 83.2]

30.0 [18.0, 69.0]

Body Mass Index

 Mean (SD)

26.3 (5.31)

30.0 (6.70)

27.1 (6.10)

25.6 (4.75)

 Median [Min, Max]

25.6 [11.3, 62.8]

29.2 [15.2, 56.0]

26.1 [14.4, 54.8]

24.9 [15.9, 49.1]

 Missing

0 (0%)

3.00 (0.5%)

0 (0%)

0 (0%)

Gender

 Male

1040 (46.4%)

306 (59.4%)

284 (49.0%)

141 (44.8%)

 Female

1199 (53.6%)

209 (40.6%)

296 (51.0%)

174 (55.2%)

Current Smoker

 Yes

2239 (100%)

515 (100%)

580 (100%)

120 (38.1%)

 No

0 (0%)

0 (0%)

0 (0%)

195 (61.9%)

Self Reported Race

 African American

364 (16.3%)

107 (20.8%)

0 (0%)

49 (15.6%)

 American Indian/Alaskan Native

0 (0%)

5 (1.0%)

0 (0%)

0 (0%)

 Asian American

0 (0%)

6 (1.2%)

0 (0%)

51 (16.2%)

 Multirace

0 (0%)

25 (4.9%)

0 (0%)

0 (0%)

 White

437 (19.5%)

372 (72.2%)

197 (34.0%)

215 (68.3%)

 Japanese American

674 (30.1%)

0 (0%)

191 (32.9%)

0 (0%)

 Native Hawaiian/Pacific Islander

311 (13.9%)

0 (0%)

192 (33.1%)

0 (0%)

 Latino

453 (20.2%)

0 (0%)

0 (0%)

0 (0%)

Natural log Nicotine Metabolite Ratio

 Mean (SD)

1.11 (0.898)

1.50 (0.720)

-0.324 (0.959)

-1.58 (0.548)

 Median [Min, Max]

1.20 [-3.91, 3.60]

1.54 [-2.54, 3.35]

-0.267 [-3.30, 2.90]

-1.57 [-3.22, -0.240]