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Table 1 Characteristics of the participants

From: Variations in the estimated intake of acrylamide from food in the Japanese population

 Tertiles of acrylamide intake
LowestMiddleHighest
T1 Mean ± SD or %T2 Mean ± SD or %T3 Mean ± SD or %
Men
No. of participants
323333
Acrylamide intake
 Mean (μg/day)a4.7 ± 1.38.8 ± 1.215.8 ± 4.3
 Median (μg/day) a4.98.914.6
Age
 Mean (years)60 ± 855 ± 857 ± 10
 Median (years)62.056.057.0
Body mass index
 Mean (kg/m2)22.9 ± 2.224.0 ± 3.224.1 ± 2.9
 Median (kg/m2)23.224.524.0
Smoking (n,%)
 Never smoker7 21.910 30.36 18.2
 Ex-smoker18 56.313 39.418 54.5
 Current smoker7 21.910 30.39 27.3
Education (n,%)
 Junior high school6 18.82 6.11 3.0
 High school13 40.614 42.410 30.3
 Some college7 21.910 30.38 24.2
 College or more6 18.87 21.214 42.4
Dietary intake
Mean
 Energy intake (kcal) a2082 ± 3632287 ± 3832570 ± 456
 Coffee (g/day) a32 ± 42141 ± 109192 ± 199
 Green tea (g/day) a333 ± 312267 ± 194437 ± 465
 Potato (g/day) a18 ± 1218 ± 1533 ± 27
 Biscuit and cookies (g/day) a0.5 ± 1± 2± 3
Women
No. of participants
474847
Acrylamide intake
 Mean (μg/day) a5.7 ± 1.39.3 ± 1.215.6 ± 5.2
 Median (μg/day) a6.19.313.9
Age
 Mean (years)58 ± 957 ± 856 ± 9
 Median (years)575956
Body mass index
 Mean (kg/m2)23.5 ± 3.622.2 ± 2.522.7 ± 3.0
 Median (kg/m2)23.022.322.3
Smoking (n,%)
 Never smoker44 93.647 97.941 87.2
 Ex-smoker2 4.30 0.05 10.6
 Tertiles of acrylamide intake
LowestMiddleHighest
T1 Mean ± SD or %T2 Mean ± SD or %T3 Mean ± SD or %
Current smoker1 2.11 2.11 2.1
Education (n,%)
Junior high school6 12.83 6.34 8.5
High school20 42.617 35.414 29.8
Some college16 34.027 56.322 46.8
College or more4 8.51 2.16 12.8
Other1 2.10 0.01 2.1
Dietary intake
Mean
 Energy intake (kcal)1672 ± 2161775 ± 2461969 ± 371
 Coffee (g/day) a40 ± 4192 ± 101224 ± 257
 Green tea (g/day) a390 ± 276382 ± 308497 ± 397
 Potato (g/day) a16 ± 918 ± 1223 ± 21
 Biscuit and cookies (g/day) a± 2± 3± 5
  1. a Crude intake