Journal List > J Nutr Health > v.48(3) > 1081394

Lee and Shin: Vegetable and fruit intake in one person household: The Korean National Health and Nutrition Examination Survey (2010~2012)

Abstract

Purpose:

The aim of the current study was to compare the vegetable and fruit intake between one person households and those living with family.

Methods:

The 24-hour recall data of 14,914 persons over 20 years old who participated in the Korean National Health and Nutrition Examination Survey (KNHANES) from 2010 to 2012 were used for the final analysis. Consumption of non-salted vegetables and fruits (≥ 400 g/day), fruits (≥ 200 g/day), and kimchi (≥ 120 g/day) was compared between one person households and those living with family. Logistic regression models were used to assess the associations between potential determinants and adequate vegetable and fruit intake.

Results:

After additional adjustments for age, household income, and total energy intake, no statistically significant differences in likelihood of low intake of non-salted vegetable and fruit and kimchi were observed between one person households and those living with family. (Non-salted vegetables and fruits: odds ratio (OR) = 1.15, 95% confidence interval (CI) = 0.79-1.68 for the men; OR = 1.25, 95% CI = 0.98-1.59 for women). However one person households have greater likelihood of low intake of kimchi than those living with family in women (OR = 1.72, 95% CI = 1.31-2.26).

Conclusion:

Although there were no differences in likelihood of low intake of non-salted vegetables and between individuals living alone and those living with family, women of one person households were great likelihood of low intake of kimchi compared to those living with family.

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Table 1.
General characteristics of study population by family structure The Korean National Health and Nutrition Examination Survey (2010~2012)
  Men (n = 6,015) Women (n = 8,899)
Living alone (n = 241) Living with family (n = 5,774) P1) Living alone (n = 714) Living with family (n = 8,185) P
Age years     <.0001     <.0001
  20 ~ 29 35 (14.5) 512 (8.9)   26 (3.6) 873 (10.6)  
  30 ~ 49 70 (29.0) 2,115 (36.6)   53 (7.4) 3,326 (40.6)  
  50 ~ 64 60 (24.9) 1,701 (29.5)   154 (21.6) 2,433 (30.0)  
  65 ~ 74 44 (18.3) 1,031 (17.8)   258 (36.1) 1,060 (13.0)  
  75 + 32 (13.3) 415 (7.2)   223 (31.2) 493 (6.0)  
Marital status     <.0001     < .0001
  Single 100 (41.5) 699 (12.1)   66 (9.2) 871 (10.6)  
  Ever married 141 (58.5) 5,073 (89.8)   648 (90.7) 7,314 (89.3)  
Household income (10,000 won/month)     <.0001     < .0001
  < 100 102 (42.3) 732 (12.7)   500 (70.0) 974 (11.9)  
  100 ~ 199 60 (24.9) 903 (15.6)   132 (18.5) 1,206 (14.7)  
  200 ~ 399 62 (25.7) 1,933 (33.5)   60 (8.4) 2,754 (33.6)  
  > 400 17 (7.1) 2,206 (38.2)   22 (3.1) 3,251 (39.7)  
Education level (years)     <.0001     < .0001
  ≤ 6 50 (20.7) 874 (15.1)   474 (66.4) 2,012 (24.6)  
  7 ~ 9 28 (11.6) 633 (11.0)   68 (9.5) 810 (9.9)  
  10 ~ 12 78 (32.4) 1,791 (31.0)   81 (11.3) 2,504 (30.6)  
  ≥ 13 82 (34.0) 1,825 (31.6)   72 (10.1) 2,256 (27.6)  
  Missing 3 (1.2) 651 (11.3)   19 (2.7) 603 (7.4)  
Body mass index (kg/m2)     <.0001     < .0001
  < 18.5 10 (4.1) 145 (2.5)   27 (3.8) 423 (5.2)  
  18.5 ~ 25 154 (63.9) 3,287 (56.9)   418 (58.5) 5,070 (62.0)  
  > 25 76 (31.5) 1,849 (32.0)   268 (37.5) 2,259 (27.6)  
  Missing 1 (0.4) 493 (8.5)   1 (0.1) 433 (5.3)  
Smoking status     <.0001     < .0001
  Non-smoker 39 (16.2) 947 (16.4)   594 (83.2) 6,903 (84.3)  
  Ex-smoker 79 (32.8) 2,298 (39.8)   48 (6.7) 383 (4.7)  
  Current-smoker 117 (48.5) 1,887 (32.7)   51 (7.1) 303 (3.7)  
  Missing 6 (2.5) 642 (11.1)   21 (2.9) 596 (7.3)  
Alcohol consumption     0.0001     < .0001
  Never 45 (18.7) 864 (15.0)   379 (53.1) 2,753 (33.6)  
  ≤ 1/month 46 (19.1) 995 (17.2)   188 (26.3) 2,933 (35.8)  
  2 ~ 4/month 64 (26.5) 1,393 (24.1)   80 (11.2) 1,306 (16.0)  
  ≥ 1/week 82 (34.0) 1,860 (32.2)   45 (6.3) 561 (6.8)  
  Missing 4 (1.6) 662 (11.5)   22 (3.1) 632 (7.7)  
Eat out     0.135     < .0001
  Rarely 53 (22.0) 1,467 (25.4)   417 (58.4) 3,358 (41.0)  
  1 ~ 2/week 37 (15.3) 876 (15.2)   159 (22.3) 2,354 (28.7)  
  3 ~ 6/week 56 (23.2) 1,551 (26.8)   86 (12.0) 1,582 (19.3)  
  ≥ 1/day 95 (39.4) 1,878 (32.5)   51 (7.1) 888 (10.8)  
  Missing 0 (0.0) 2 (0.0)   1 (0.1) 3 (0.0)  
Daily energy consumption     0.0286     0 .9335
  Under KDRIs2) 136 (56.4) 2,843 (49.2)   440 (61.6) 5,031 (61.5)  
  KDRIs and more 105 (43.6) 2,931 (50.7)   274 (38.4) 3,154 (38.5)  

1) p–value

2) dietary reference intakes for Koreans (KDRIs)

Table 2.
The association between non-salted vegetable and fruits intake and socicenomics status (The Korean National Health and Nutrition Examination Survey (2010 ~ 2012))
  Men Women
< 400 g/day ≥ 400 g/day < 400 g/day ≥ 400 g/day
N (%) N (%) N (%) N (%)
Age group
  20 ~ 29 380 (69.5) 167 (30.5) 618 (68.7) 281 (31.3)
  30 ~ 49 1,226 (56.1) 959 (43.8) 1,877 (55.5) 1,502 (44.5)
  50 ~ 64 887 (50.4) 874 (49.6) 1,240 (47.9) 1,347 (52.1)
  65 ~ 74 611 (56.8) 464 (43.2) 856 (64.9) 462 (35.1)
  75 + 306 (68.5) 141 (31.5) 528 (73.7) 188 (26.3)
Marital status
  Single 537 (67.2) 262 (32.8) 4,479 (56.3) 3,483 (43.7)
  Ever married 2,872 (55.1) 2,342 (44.9) 639 (68.3) 296 (31.6)
Household income (10,000 won/month)
  < 100 562 (67.4) 272 (32.6) 1015 (68.8) 459 (31.2)
  100 ~ 199 567 (58.8) 396 (41.2) 814 (60.8) 524 (39.2)
  200 ~ 399 1,155 (57.8) 840 (42.1) 1,574 (55.9) 1,240 (44.1)
  > 400 1,126 (50.6) 1,097 (49.4) 1,716 (52.4) 1,557 (47.6)
Education level (years)
  ≤ 6 580 (62.7) 344 (37.2) 1,604 (64.5) 882 (35.5)
  7 ~ 9 387 (58.5) 274 (41.5) 459 (52.3) 419 (47.7)
  10 ~ 12 1,052 (56.3) 817 (43.7) 1,388 (53.7) 1,197 (46.3)
  ≥ 13 971 (50.9) 936 (49.1) 1,263 (54.3) 1,065 (45.7)
Body mass index (kg/m2)
  < 18.5 111 (71.6) 44 (28.4) 278 (61.8) 172 (38.2)
  18.5 ~ 25 1,966 (57.1) 1,475 (42.8) 3,122 (56.9) 2,366 (43.1)
  > 25 1,013 (52.6) 912 (47.4) 1,454 (57.5) 1,073 (42.5)
Smoking status
  Non-smoker 526 (53.3) 460 (46.7) 4,204 (56.1) 3,293 (43.9)
  Ex-smoker 1,216 (51.2) 1,161 (48.8) 279 (64.7) 152 (35.3)
  Current-smoker 1,249 (62.3) 755 (37.7) 231 (65.3) 123 (34.7)
Alcohol consumption
  Never 482 (53.0) 427 (46.9) 1,794 (52.3) 1,338 (42.7)
  ≤ 1/month 555 (53.3) 486 (46.7) 1,711 (54.8) 1,410 (45.2)
  2 ~ 4/momth 808 (55.5) 649 (44.5) 799 (57.6) 587 (42.4)
  ≥ 1/week 1,141 (58.7) 801 (41.2) 386 (63.7) 220 (36.3)
Eat out
  Rarely 894 (58.8) 626 (41.2) 2,265 (60.0) 1,510 (40.0)
  1 ~ 2/week 528 (57.8) 385 (42.2) 1,342 (53.4) 1,171 (45.6)
  3 ~ 6/week 888 (55.3) 719 (44.7) 925 (55.5) 743 (44.5)
  ≥ 1/day 1,099 (55.7) 874 (44.3) 585 (62.3) 354 (37.7)
Daily energy consumption
  Under KDRIs1) 2,067 (69.4) 912 (30.6) 3,738 (68.3) 1,733 (31.7)
  KDRIs and more 1,343 (44.3) 1,693 (55.7) 1,381 (40.3) 2,047 (59.7)

1) dietary reference intakes for Koreans (KDRIs)

Table 3.
The association between family structure and non-salted vegetable and fruits intake (The Korean National Health and Nutrition Examination Survey (2010 ~ 2012))
    Men   Women
    Model 11) Model 22)   Model 1 Model 2
  N (low intake/adequate intake) OR3) 95%CI4) OR 95%CI N (low intake/dequate intake OR 95%CI OR 95%CI
Non-salted vegetable & Fruits (400 g/day) Living with family 3,248/2,526 1.00   1.00   4,648/3,537 1.00   1.00  
  Living alone 162/79 1.33 0.96 ~ 1.84 1.15 0.79 ~ 1.68 471/243 1.50 1.22 ~ 1.84 1.25 0.98 ~ 1.59
Fruits (200 g/day) Living with family 3,352/2,252 1.00   1.00   4,304/3,881 1.00   1.00  
  Living alone 170/71 1.59 1.08 ~ 2.32 1.37 0.93 ~ 2.01 443/271 1.48 1.20 ~ 1.82 1.20 0.94 ~ 1.52
Kimchi (120 g/day) Living with family 2,972/2,802 1.00   1.00   5,582/2,603 1.00   1.00  
  Living alone 133/108 1.28 0.95 ~ 1.74 1.28 0.93 ~ 1.75 542/172 1.50 1.18-1.91 1.72 1.31 ~ 2.26

1) Unadjusted

2) Adjusted for age, household income, and total energy intake

3) odds ratio

4) confidence interval

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