Table 2.
Associations between themes and characteristics of web-based content on diet and nutrition written in Japanese (N=1703).
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|
All (N=1703), n (%) | Food and beverages (n=390), n (%) | Weight management (n=366), n (%) | Health benefits (n=261), n (%) | Healthy eating (n=235), n (%) | Nutrition and nutrients (n=208), n (%) | Blood and disease (n=141), n (%) | Other (n=102), n (%) | P valuea | |
| Involvement of editors indicated | ||||||||||
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|
No | 1141 (67) | 236 (60.5) | 225 (61.5) | 178 (68.2) | 182 (77.4) | 172 (82.7) | 82 (58.2) | 66 (64.7) | <.001 |
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Yes | 562 (33) | 154 (39.9) | 141 (38.5) | 83 (31.8) | 53 (22.6) | 36 (17.3) | 59 (41.8) | 36 (35.3) | <.001 |
| Involvement of writers indicated | ||||||||||
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|
No | 1382 (81.2) | 324 (83.1) | 257 (70.2) | 204 (78.2) | 202 (86) | 190 (91.3) | 117 (83) | 88 (86.3) | <.001 |
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Yes | 321 (18.8) | 66 (16.9) | 109 (29.8) | 57 (21.8) | 33 (14) | 18 (8.7) | 24 (17) | 14 (13.7) | <.001 |
| Involvement of editors or writers indicated | ||||||||||
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|
No | 913 (53.6) | 183 (46.9) | 154 (42.1) | 145 (55.6) | 156 (66.4) | 155 (74.5) | 64 (45.4) | 56 (54.9) | <.001 |
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Yes | 790 (46.4) | 207 (53.1) | 212 (57.9) | 116 (44.4) | 79 (33.6) | 53 (25.5) | 77 (54.6) | 46 (45.1) | <.001 |
| Advertisement included (ie, some statements within sentences or sidebars and bottom bars for advertisement) | ||||||||||
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No | 720 (42.3) | 150 (38.5) | 93 (25.4) | 89 (34.1) | 141 (60) | 112 (53.8) | 89 (63.1) | 46 (45.1) | <.001 |
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Yes | 983 (57.7) | 240 (61.5) | 273 (74.6) | 172 (65.9) | 94 (40) | 96 (46.2) | 52 (36.9) | 56 (54.9) | <.001 |
| Scientific papers cited | ||||||||||
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No | 1529 (89.8) | 355 (91) | 334 (91.3) | 222 (85.1) | 220 (93.6) | 180 (86.5) | 129 (91.5) | 89 (87.3) | .02 |
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Yes | 174 (10.2) | 35 (9) | 32 (8.7) | 39 (14.9) | 15 (6.4) | 28 (13.5) | 12 (8.5) | 13 (12.7) | .02 |
| Nonfiction books cited | ||||||||||
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No | 1568 (92.1) | 371 (95.1) | 340 (92.9) | 240 (92) | 213 (90.6) | 180 (86.5) | 135 (95.7) | 89 (87.3) | .002 |
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Yes | 135 (7.9) | 19 (4.9) | 26 (7.1) | 21 (8) | 22 (9.4) | 28 (13.5) | 6 (4.3) | 13 (12.7) | .002 |
| Dietary reference intakes cited | ||||||||||
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No | 1402 (82.3) | 323 (82.8) | 305 (83.3) | 223 (85.4) | 215 (91.5) | 124 (59.6) | 117 (83) | 95 (93.1) | <.001 |
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Yes | 301 (17.7) | 67 (17.2) | 61 (16.7) | 38 (14.6) | 20 (8.5) | 84 (40.4) | 24 (17) | 7 (6.9) | <.001 |
| Dish-based dietary guidelines cited | ||||||||||
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No | 1639 (96.2) | 381 (97.7) | 353 (96.4) | 260 (99.6) | 206 (87.7) | 203 (97.6) | 139 (98.6) | 97 (95.1) | <.001 |
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Yes | 64 (3.8) | 9 (2.3) | 13 (3.6) | 1 (0.4) | 29 (12.3) | 5 (2.4) | 2 (1.4) | 5 (4.9) | <.001 |
| Other materials published by public organizations cited | ||||||||||
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No | 1328 (78) | 302 (77.4) | 307 (83.9) | 214 (82) | 177 (75.3) | 141 (67.8) | 105 (74.5) | 82 (80.4) | <.001 |
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Yes | 375 (22) | 88 (22.6) | 59 (16.1) | 47 (18) | 58 (24.7) | 67 (32.2) | 36 (25.5) | 20 (19.4) | <.001 |
| At least one of the above references (ie, scientific papers, nonfiction books, dietary reference intakes, dish-based dietary guidelines, or other materials published by public organizations) cited | ||||||||||
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No | 1021 (60) | 250 (64.1) | 238 (65) | 159 (60.9) | 139 (59.1) | 87 (41.8) | 86 (61) | 62 (60.8) | <.001 |
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Yes | 682 (40) | 140 (35.9) | 128 (35) | 102 (39.1) | 96 9 (40.9) | 121 (58.2) | 55 (39) | 40 (39.2) | <.001 |
aUsing chi-square test.