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. 2023 Oct 24;18(10):e0293387. doi: 10.1371/journal.pone.0293387

Table 4. The association of sociodemographic variables with the public’s self-perceived caloric knowledge and views on the influence of calorie posting in chain restaurants using chi-square (n = 1279).

Know enough about energy requirements to make lower-calorie choices Calorie posting influences choosing lower-calorie meals
Yes No, but want to know more I don’t care Yes No
Total 444 (34.7) 60 (46.9) 235 (18.4) 999 (78.1) 280 (21.9)
Sex
Female 244 (55.0) 350 (58.3) 124 (52.8) 571 (57.2) 147 (52.5)
Male 200 (45.0) 250 (41.7) 111 (47.2) 428 (42.8) 133 (47.5)
P-value 0.285 0.094
Age (years)
<30 243 (54.7) 295 (42.1) 163 (69.4) 509 (51.0) 192 (68.6)
≥30 201 (45.3) 305 (50.8) 72 (30.6) 40 (49.0) 88 (31.4)
P-value <0.001 <0.001
Marital status
Married 214 (48.2) 309 (51.5) 80 (34.0) 512 (51.3) 91 (32.5)
Single 230 (51.8) 291 (48.5) 155 (66.0) 487 (48.7) 189 (67.5)
P-value <0.001 <0.001
Educational level
Less than college 96 (21.6) 162 (27.0) 77 (32.8) 230 (23.0) 105 (37.5)
College or above 348 (78.4) 438 (73.0) 158 (67.2) 769 (77.0) 175 (62.5)
P-value 0.006 <0.001
Employment
Employed 238 (53.6) 337 (56.2) 101 (43.0) 557 (55.8) 119 (42.5)
Unemployed 206 (46.4) 263 (43.8) 134 (57.0) 442 (44.2) 161 (57.5)
P-value 0.003 <0.001
Body Mass Index (kg/m 2 )
Underweight (<18.5) 16 (3.6) 22 (3.7) 21 (8.9) 28 (2.8) 31 (11.1)
Normal (18.5–24.9) 188 (42.3) 251 (41.8) 125 (53.2) 419 (41.9) 145 (51.8)
Overweight (25–29.9) 157 (35.4) 220 (36.7) 64 (27.2) 366 (36.6) 75 (26.8)
Obese (≥30) 83 (18.7) 107 (17.8) 25 (10.6) 186 (18.6) 29 (10.4)
P-value <0.001 <0.001

P-values were calculated using a chi-square test among demographic categories.