Table 1 Characteristics of participants at baseline by tea consumption
From: Association of tea consumption with life expectancy in US adults
Variable | All | Tea consumption | Â | ||||
|---|---|---|---|---|---|---|---|
Non-drinking | < 1 cup/day | 1 to < 3 cups/day | 3 to < 5 cups/day | ≥ 5 cups/day | P value | ||
N (%) | 43,276(100%) | 30,307(70%) | 1697(3.9%) | 7912(18.3%) | 2169(5%) | 1191(2.8%) | < 0.0001 |
Age (years, SE) | 47.4(0.2) | 46.4(0.2) | 50.5(0.6) | 50.3(0.3) | 47.7(0.4) | 47.1(0.5) | < 0.0001 |
Coffee (cups/d, SE) | 1.4(0.0) | 1.5(0.0) | 1.2(0.1) | 1.3(0.0) | 1.3(0.1) | 1.4(0.1) | < 0.0001 |
Alcohol (drinks/d, SE) | 0.7(0.0) | 0.8(0.0) | 0.4(0.0) | 0.5(0.0) | 0.6(0.1) | 0.6(0.1) | < 0.0001 |
Fruit (cups/d, SE) | 3.6(0.0) | 3.6(0.0) | 3.2(0.1) | 3.6(0.0) | 3.8(0.1) | 3.9(0.1) | < 0.0001 |
Vegetables (cups/d, SE) | 1.6(0.0) | 1.6(0.0) | 1.6(0.0) | 1.7(0.0) | 1.7(0.0) | 1.8(0.1) | < 0.0001 |
Grain (oz/d, SE) | 6.5(0.0) | 6.5(0.0) | 6.1(0.1) | 6.3(0.1) | 6.8(0.1) | 6.9(0.1) | < 0.0001 |
Dairy (cups/d, SE) | 1.6(0.0) | 1.6(0.0) | 1.3(0.0) | 1.4(0.0) | 1.5(0.0) | 1.7(0.1) | < 0.0001 |
Protein food (oz/d, SE) | 1.7(0.0) | 1.7(0.0) | 1.2(0.1) | 1.6(0.0) | 2.0(0.1) | 2.3(0.1) | < 0.0001 |
Energy (kcal, SE) | 2159.9(7.4) | 2166.8(8.6) | 1872.8(23.4) | 2067.9(17.5) | 2318.2(34.7) | 2534.7(38.3) | < 0.0001 |
Sex, % |  |  |  |  |  |  | < 0.0001 |
   Male | 21,496 | 15,537(50.7) | 618(34.7) | 3477(41.4) | 1150(52.8) | 714(58.1) |  |
   Female | 21,780 | 14,770(49.3) | 1079(65.3) | 4435(58.6) | 1019(47.2) | 477(41.9) |  |
Race and ethnicity, % |  |  |  |  |  |  | < 0.0001 |
   White | 19,471 | 13,123(67.1) | 600(57.8) | 3811(70.2) | 1155(75.5) | 782(83.8) |  |
   Black | 9177 | 6505(11.7) | 346(11.5) | 1750(11.0) | 414(9.0) | 162(5.7) |  |
   Mexican-Hispanic | 10,722 | 8382(15.1) | 367(13.7) | 1414(9.7) | 405(9.5) | 154(6.0) |  |
   Other | 3906 | 2297(6.1) | 384(17.0) | 937(9.0) | 195(6.0) | 93(4.5) |  |
Education, % |  |  |  |  |  |  | < 0.0001 |
   < High school | 11,121 | 8514(17.8) | 450(18.5) | 1553(12.8) | 398(12.2) | 206(12.6) |  |
   High school | 10,141 | 7111(24.2) | 329(21.1) | 1816(22.8) | 562(26.4) | 323(27.8) |  |
   > High school | 22,014 | 14,682(58.0) | 918(60.4) | 4543(64.4) | 1209(61.4) | 662(59.6) |  |
Smoke, % |  |  |  |  |  |  | < 0.0001 |
   Never | 23,315 | 15,934(52.5) | 1109(62.7) | 4564(56.9) | 1129(51.7) | 579(51.0) |  |
   Former | 10,785 | 7556(24.8) | 397(22.9) | 2018(25.7) | 541(26.0) | 273(21.9) |  |
   Now | 9176 | 6817(22.7) | 191(14.4) | 1330(17.4) | 499(22.3) | 339(27.1) |  |
Marriage, % |  |  |  |  |  |  | < 0.0001 |
   Married | 25,808 | 17,827(61.1) | 1061(66.3) | 4804(63.9) | 1347(65.2) | 769(66.0) |  |
   Unmarried | 7630 | 5599(19.9) | 242(15.6) | 1199(15.3) | 403(18.0) | 187(16.0) |  |
   Other | 9838 | 6881(18.9) | 394(18.1) | 1909(20.8) | 419(16.8) | 235(18.0) |  |
Family Income, % |  |  |  |  |  |  | < 0.0001 |
   Poor | 13,008 | 9639(22.9) | 510(23.7) | 1996(18.0) | 558(17.8) | 305(17.4) |  |
   Moderate | 17,028 | 11,989(36.7) | 640(34.7) | 3132(36.9) | 822(33.4) | 445(33.8) |  |
   Rich | 13,240 | 8679(40.4) | 547(41.6) | 2784(45.1) | 789(48.8) | 441(48.8) |  |
Medical Insurance, % |  |  |  |  |  |  | < 0.0001 |
   Covered | 34,094 | 23,392(81.2) | 1389(83.8) | 6621(85.6) | 1742(82.9) | 950(82.2) |  |
   Not Covered | 9042 | 6808(18.8) | 298(16.2) | 1269(14.4) | 427(17.1) | 240(17.8) |  |