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. 2022 Mar 11;152(Suppl 1):1S–12S. doi: 10.1093/jn/nxac042

TABLE 2.

International Food Policy Study 2020 unweighted and weighted sample characteristics by country (N = 21,753)

Australia, n = 4289 Canada, n = 4309 Mexico, n = 4284 United Kingdom, n = 4249 United States, n = 4622
Unweighted Weighted Unweighted Weighted Unweighted Weighted Unweighted Weighted Unweighted Weighted
% (n) % (n) % (n) % (n) % (n) % (n) % (n) % (n) % (n) % (n)
Sex at birth
 Male 49.6% (2126) 49.1% (2104) 49.1% (2117) 49.4% (2127) 50.6% (2166) 48.0% (2055) 49.8% (2114) 48.9% (2076) 47.7% (2206) 48.7% (2252)
 Female 50.4% (2163) 50.9% (2,185) 50.9% (2192) 50.6% (2182) 49.4% (2118) 52.0% (2229) 50.2% (2135) 51.1% (2173) 52.3% (2416) 51.3% (2370)
Age, years, mean (SD) 48.3 (17.31) 46.6 (17.07) 48.2 (17.17) 47.9 (17.44) 38.1 (13.00) 40.5 (14.50) 48.6 (17.66) 48.2 (17.31) 46.8 (16.86) 46.7 (17.25)
Education1
 Low 43.6% (1870) 41.9% (1798) 28.0% (1207) 42.3% (1821) 22.7% (972) 23.2% (993) 40.3% (1711) 51.7% (2195) 37.0% (1710) 54.8% (2531)
 Medium 30.9% (1326) 32.0% (1374) 40.9% (1764) 33.1% (1425) 13.6% (582) 13.8% (593) 29.2% (1,240) 19.4% (825) 20.6% (951) 10.1% (465)
 High 25.0% (1071) 25.5% (1094) 30.5% (1314) 24.1% (1040) 63.6% (2723) 62.8% (2691) 29.8% (1265) 28.1% (1195) 41.8% (1933) 34.7% (1602)
 Not stated 0.5% (22) 0.5% (23) 0.6% (24) 0.6% (24) 0.2% (7) 0.2% (8) 0.8% (33) 0.8% (33) 0.6% (28) 0.5% (23)
Ethnicity2
 Majority 83.1% (3563) 73.3% (3144) 78.0% (3362) 77.3% (3330) 81.2% (3479) 78.9% (3379) 89.3% (3796) 88.3% (3750) 62.7% (2899) 62.9% (2909)
 Minority 16.6% (710) 26.3% (1,129) 20.6% (888) 21.4% (921) 16.3% (700) 18.7% (803) 10.0% (427) 11.2% (475) 36.7% (1,696) 36.5% (1,686)
 Not stated 0.4% (16) 0.4% (16) 1.4% (59) 1.3% (58) 2.5% (105) 2.4% (102) 0.6% (26) 0.6% (24) 0.6% (27) 0.6% (27)
BMI3
 Underweight 3.3% (140) 3.5% (151) 2.9% (123) 3.0% (128) 1.7% (72) 1.4% (60) 2.8% (121) 2.8% (119) 2.2% (102) 2.1% (99)
 Normal weight 30.8% (1321) 32.3% (1384) 34.4% (1483) 34.3% (1477) 37.3% (1600) 35.9% (1539) 35.1% (1493) 34.7% (1476) 32.8% (1517) 32.4% (1499)
 Overweight 27.4% (1176) 26.9% (1152) 27.4% (1181) 26.2% (1128) 30.3% (1298) 30.8% (1319) 26.9% (1144) 26.0% (1107) 28.9% (1335) 27.7% (1281)
 Obesity 23.2% (997) 21.9% (939) 21.2% (913) 21.7% (935) 14.2% (607) 15.0% (644) 16.8% (715) 17.4% (738) 23.5% (1088) 24.5% (1131)
 Missing 15.3% (655) 15.5% (663) 14.1% (609) 14.9% (641) 16.5% (707) 16.9% (723) 18.3% (776) 19.0% (809) 12.5% (580) 13.3% (613)
1

The education level was categorized as low (i.e., completed secondary school or less), medium (i.e., some postsecondary qualifications), or high (i.e., university degree or higher) according to country-specific criteria related to the highest level of formal education attained.

2

Ethnic categories in each country, as per the census questions asked in each country: 1) in Australia, majority indicates the participant only speaks English at home and minority indicates they speak a language besides English at home; 2) in Canada, the United Kingdom, and the United States, majority indicates the participant is White and minority indicates they are of other ethnicity; and 3) in Mexico, majority indicates the participant is nonindigenous and minority indicates they are indigenous.

3

The BMI classifications are underweight (<18.5 kg/m2), normal weight (18.5 to 24.9 kg/m2), overweight (25.0 to 29.9 kg/m2), and obese (≥30 kg/m2)