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Table 1 Age and gender by country

From: The Brief Environmental Exposure and Sensitivity Inventory (BREESI): an international validation study

 

Age range, years2

Mean ages, years (standard deviation)1

Percent female2

India

18–99

38.07 (14.12)a

48.50

Italy

18–88

48.14 (16.46)b

51.90

Japan

18–89

48.07 (16.65)b

51.80

Mexico

18–90

39.56 (15.44)a

51.70

United States1

18–88

45.76 (16.87)c

51.00

  1. 1Values with different letters indicate statistical differences at p < 0.05
  2. 2No statistical difference by country Mantel–Haenszel Chi-square p = 0.13
  3. N = 1000 per country