Skip to main content
. Author manuscript; available in PMC: 2012 Sep 1.
Published in final edited form as: Biomarkers. 2011 Aug 3;16(6):491–497. doi: 10.3109/1354750X.2011.598565

Table 1.

Demographic characteristics of study participants (N = 1496)

Study Study
Group		 Study Design Study
Location		 N3 Age, years
Mean±SD		 % Female1 % White,
Non-
Hispanic1 		Cigarettes
per day		 Years
Regular
Smoking
Passive Smokers
1. (Hecht et al., 2006) Infants Intervention Minnesota 77 0.6±0.2 50 72
2. (Hecht et al., 2001) Children Observational Minnesota 56 10.8±1.2 52 7
3. (Stepanov et al., 2006) Children Observational Moldova 68 7.6±1.3 43 100
4. (Thomas et al., 2011) Children Randomized trial Minnesota 59 3.8±2.6 51 20
5. (Tulunay et al., 2005) Adults Observational Minnesota 15 26.5±8.1 73 33
6. (Anderson et al., 2001) Adults Observational Minnesota 16 N/A2 100 87
7. (Anderson et al., 2003) Adults Observational Minnesota 16 37.6±14.3 78 94
8. (Stark et al., 2007) Adults Observational Oregon 86 N/A 67 N/A
9. (Jensen et al., 2010) Adults Observational Minnesota 15 30.9±13.3 53 100
Active Smokers
10. (Hanson et al., 2011) Adolescents Randomized trial Minnesota 108 16.6±1.2 59 90 13.4±6.3 3.4±2.0
11. (Kotlyar et al., 2011) Adults Randomized trial Minnesota 81 42.8±11.5 43 80 20.5±7.4 25.6±11.6
12. (Church et al., 2010) Adults Observational Minnesota 66 50.6±11.9 48 59 24.3±10.7 32.2±12.4
13. (Joseph et al., 2005) Adults Observational Minnesota 86 45.0±11.9 59 63 10.4±12.2 25.1±11.4
14. (Mendoza-Baumgart et al., 2007) Adults Randomized trial Minnesota 40 38.6±11.9 55 92 21.3±5.0 22.2±12.1
15. (Le Marchand et al., 2008) Adults Observational Hawaii 297 61.4±6.2 50 33 24.2±10.2 40.3±8.1
16. (Hatsukami et al., 2007) Adults Dose-Ranging Minnesota 17 38.6±9.1 35 53 25.5±5.9 22.6±9.7
17. (Hatsukami et al., 2004) Adults Randomized trial Minnesota 38 40.9±9.7 0 95 23.7±7.3 23.3±10.2
18. (Hatsukami et al., 2010) Adults Randomized trial Minnesota 98 42.0±13.9 48 87 20.8±8.3 24.2±13.8
19. (Joseph et al., 2008) Adults Randomized trial Minnesota 139 58.5±9.3 12 93 27.6±10.9 41.3±9.8
20. (Hecht et al., 2004) Adults Randomized trial Minnesota 118 45.7±10.4 51 96 26.1±7.1 27.8±10.7
1

Some values are approximate

2

N/A, not available

3

Sample size included in analysis; not necessarily the sample size of the original study