Table 2.
Demographic information about milk bank donors
| Sub-category | Country | Year | Subjects | Findings |
|---|---|---|---|---|
| Age (years) | Brazil(19) | 2008 | 737 donors | Majority < 25 (18 % < 18; 41 % 18 to 24) |
| Brazil(20,21) | 2009, 2010 | 36 donors | Ranged from 14 to 33; mean age 25 | |
| Brazil(23) | 2010 | 92 donors | Ranged from 16 to 45; mean age 21 | |
| Brazil(32) | 2016 | 12 donors | Ranged from 18 to 39; mean age 26 | |
| Brazil(34) | 2017 | 3513 donors | Majority 20 to 35 (80 %) | |
| China(39) | 2019 | 2680 donors | Majority 25 to 35 (82 %); mean age 29 | |
| France(16) | 2003 | 103 donors | Ranged from 20 to 42; mean age 31 | |
| India(42) | 2020 | 1553 donors | Majority < 25 (88 %) | |
| Korea(31) | 2016 | 915 donors | Majority 30 to 39 (70 %) | |
| Norway(17) | 2004 | 69 donors | Ranged from 21 to 45; mean age 34 | |
| Poland(33) | 2017 | 45 donors | Ranged from 23 to 44; mean age 32 | |
| Spain(28) | 2014 | 391 donors | Median age of 34; IQR of 31–36 | |
| Spain(27) | 2014 | 63 donors | Ranged from 23 to 53; mean age 36 | |
| Spain(30) | 2015 | 7 donors | Ranged from 21 to 39; mean age 32 | |
| Spain(29) | 2016 | 36 donors | Ranged from 24 to 41; mean age 34 | |
| Taiwan(25) | 2013 | 816 donors | Ranged from 18 to 45; mean age 31 | |
| USA(18) | 2007 | 87 donors | Majority 30–39 (73 %) | |
| USA(36) | 2018 | 12 donors | All < 40 (50 % 21–29; 50 % 30–39) | |
| Marital status | Brazil(19) | 2008 | 737 donors | Single (54 %) |
| Brazil(20) | 2009 | 36 donors | Married or in a partnership (78 %) | |
| Brazil(32) | 2016 | 12 donors | Married or in a partnership (75 %) | |
| France(16) | 2003 | 103 donors | Married or in a partnership (97 %) | |
| Spain(30) | 2015 | 7 donors | Married (86 %) | |
| USA(18) | 2007 | 87 donors | Married (91 %) | |
| USA(36) | 2018 | 12 donors | Married (100 %) | |
| Race-ethnicity | Brazil(23) | 2010 | 92 donors | White (72 %) |
| USA(18) | 2007 | 87 donors | White (87 %) | |
| USA(36) | 2018 | 12 donors | White (100 %) | |
| Education | Brazil(19) | 2008 | 737 donors | Some college/higher education (5 %) |
| Brazil(20) | 2009 | 36 donors | Some college/higher education (36 %) | |
| Brazil(23) | 2010 | 92 donors | Some college/higher education (48 %) | |
| Brazil(32) | 2016 | 12 donors | Completed high school (92 %) | |
| China(39) | 2019 | 2680 donors | College/higher education (60 %) | |
| Norway(17) | 2004 | 69 donors | College/higher education (73 %) | |
| Spain(30) | 2015 | 7 donors | College/higher education (majority) | |
| Taiwan(25) | 2013 | 816 donors | College/higher education (81 %) | |
| USA(18) | 2007 | 87 donors | College/higher education (83 %) | |
| Employment status | Brazil(19) | 2008 | 737 donors | Unemployed (70 %) |
| Brazil(20) | 2009 | 36 donors | Worked outside the home (47 %) | |
| Brazil(32) | 2016 | 12 donors | Housewives (42 %) | |
| China(39) | 2019 | 2680 donors | Worked outside the home (85 %) | |
| France(16) | 2003 | 103 donors | Worked outside the home (51 %) | |
| Korea(31) | 2016 | 915 donors | Housewives (62 %) | |
| Spain(30) | 2015 | 7 donors | Worked outside the home (majority) | |
| Taiwan(25) | 2013 | 816 donors | Worked outside the home (72 %) | |
| USA(18) | 2007 | 87 donors | Worked outside the home (65 %) |