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. Author manuscript; available in PMC: 2018 Aug 1.
Published in final edited form as: Exp Clin Psychopharmacol. 2017 Jun 19;25(4):273–280. doi: 10.1037/pha0000129

Table 1.

Sample characteristics for studies 1 and 2

Characteristics Frequency (%)
Study 1 (mTurk) Study 2 (laboratory based)
Total N=242 N=142
Gender
Male 110 (45.45) 74 (52.11)
Female 132 (54.55) 68 (47.88)
Race
Asian 4 (1.65) 2 (1.40)
African American 10 (4.13) 49 (34.50)
White 227 (93.80) 86 (60.56)
Other 1 (0.41) 5 (03.52)
Ethnicity
Hispanic 10 (4.13) 5 (3.57)
Non-Hispanic 232 (95.87) 137 (96.53)
Education level
Did not finish high school 3 (01.24) 20 (14.10)
Finished high school 043 (17.77) 75 (52.81)
Some college 115 (47.52) 30 (21.18)
Bachelor 61 (25.21) 13 (9.10)
Advanced degree (MS, PhD) 20 (08.26) 4 (2.81)
Age Mean (±SD) 37.90 (±12.59) 39.89 (±11.07)
Number of cigarettes per day Mean (±SD) 17.12 (±7.12) 21.60 (±9.80)

Note: SD= standard deviation