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. 2020 Feb 21;3(2):e1921610. doi: 10.1001/jamanetworkopen.2019.21610

Table 1. Demographic Characteristics According to Adherence to Data-Derived Dietary Patterns Among 2935 Danish Young Men (2008-2017).

Characteristic Dietary Patterns
Western Prudent Open-Sandwich Vegetarianlike
Quintile 1 (n=587) Quintile 5 (n=587) Quintile 1 (n=587) Quintile 5 (n=587) Quintile 1 (n=587) Quintile 5 (n=587) Quintile 1 (n=587) Quintile 5 (n=587)
Age, median (IQR), y 19 (19-20) 19 (19-20) 19 (19-20) 19 (19-20) 19 (19-20) 19 (19-20) 19 (19-19) 19 (19-20)
BMI, median (IQR) 22 (21-24) 22 (20-24) 22 (20-24) 22 (21-24) 22 (20-24) 22 (21-24) 23 (21-25) 22 (20-24)
Height, median (IQR), m 1.82 (1.78-1.87) 1.81 (1.77-1.86) 1.81 (1.76-1.86) 1.82 (1.78-1.87) 1.81 (1.76-1.86) 1.83 (1.78-1.88) 1.82 (1.77-1.86) 1.82 (1.77-1.87)
Daily smoking, No. (%)
Cigarettes 83 (14.1) 233 (39.7) 215 (36.6) 113 (19.3) 180 (30.7) 135 (23.0) 159 (27.1) 153 (26.1)
Marijuana 11 (1.9) 44 (7.5) 40 (6.8) 13 (2.2) 25 (4.3) 18 (3.1) 20 (3.4) 29 (4.9)
Other recreational drug use, No. (%) 45 (7.7) 108 (18.4) 80 (13.6) 59 (10.1) 77 (13.1) 62 (10.6) 72 (12.3) 74 (12.6)
Educational level of the mother >10 y, No. (%) 336 (57.2) 326 (55.5) 293 (49.9) 366 (62.4) 301 (51.3) 334 (56.9) 325 (55.4) 373 (63.5)
Moderate and vigorous physical activities, median (IQR), h/wk 9 (5-14) 8 (4-14) 6 (3-11) 10 (7-16) 6 (3-12) 10 (6-15) 9 (4-15) 8 (4-14)
Fever in last 3 mo, No. (%) 43 (7.3) 44 (7.5) 39 (6.6) 45 (7.7) 61 (10.4) 47 (8.0) 46 (7.8) 40 (6.8)
Self-reported history, No. (%)
Reproductive diseasea 107 (18.2) 145 (24.7) 113 (19.3) 122 (20.8) 104 (17.7) 134 (22.8) 127 (21.6) 118 (20.1)
Reproductive surgical procedureb 70 (11.9) 72 (12.3) 58 (9.9) 79 (13.5) 62 (10.6) 66 (11.2) 64 (10.9) 53 (9.0)
STDc 43 (7.3) 98 (16.7) 87 (14.8) 63 (10.7) 84 (14.3) 61 (10.4) 72 (12.3) 70 (11.9)
Use of muscle-enhancing products in the last 3 mo, No. (%) 193 (32.9) 107 (18.2) 90 (15.3) 236 (40.2) 138 (23.5) 191 (32.5) 211 (35.9) 109 (18.6)
Abstinence time, median (IQR), h 62 (58-85) 62 (56-84) 61 (56-84) 63 (58-85) 62 (58-84) 61 (57-84) 62 (58-84) 62 (56-85)
Sample collected during warm season, No. (%)d 204 (34.8) 194 (33.0) 179 (30.5) 204 (34.8) 201 (34.2) 171 (29.1) 187 (31.9) 191 (32.5)
Time of day of sample collection, median (IQR), h 10 (9-11) 10 (10-11) 10 (10-11) 10 (9-11) 10 (9-11) 10 (9-11) 10 (9-11) 10 (10-11)
Time to motility analysis, median (IQR), min 30 (20-45) 30 (25-50) 30 (22-50) 30 (20-45) 30 (23-40) 30 (20-50) 30 (25-45) 30 (25-45)
Total energy intake, median (IQR), kcal/d 1821 (1398-2373) 2303 (1847-3015) 1881 (1416-2482) 2278 (1800-2906) 1637 (1260-2201) 2596 (2021-3257) 2050 (1610-2621) 2118 (1629-2655)
Dietary protein, median (IQR), % of energye 18 (16-21) 17 (15-19) 16 (15-18) 19 (16-21) 18 (16-21) 17 (15-19) 18 (16-21) 17 (15-19)
Total dietary fat, median (IQR), % of energye 31 (28-35) 34 (29-39) 33 (29-38) 33 (29-37) 34 (31-38) 34 (29-38) 35 (30-38) 33 (29-37)
EPA and DHA level, median (IQR), mg/d 392 (243-683) 365 (210-629) 316 (198-562) 506 (302-856) 400 (241-678) 376 (218-720) 357 (211-613) 405 (243-722)
Dietary carbohydrate intake, median (IQR), % of energye 50 (45-54) 48 (42-55) 49 (45-54) 47 (42-52) 46 (41-51) 49 (44-53) 45 (41-51) 49 (44-54)
Total intake, median (IQR), g/de
Fiber 24 (18-30) 15 (12-19) 18 (13-22) 19 (15-24) 16 (12-20) 20 (15-25) 18 (13-22) 19 (14-24)
Sugar 75 (58-92) 90 (67-123) 92 (70-119) 76 (58-96) 82 (61-102) 78 (60-99) 74 (56-96) 87 (67-107)
Added sugar intake, median (IQR), g/de 23 (13-38) 48 (30-72) 47 (30-68) 27 (16-43) 38 (22-55) 30 (18-50) 28 (16-46) 40 (25-59)
Carotenoid intake, median (IQR), μg/de 2568 (1318-5248) 1788 (960-3776) 1353 (786-2856) 3348 (1746-6093) 2352 (1215-4603) 1985 (1013-3860) 1661 (890-3028) 2879 (1387-5671)
Vitamin B6 intake, median (IQR), mg/de 1 (1-2) 1 (1-1) 1 (1-1) 1 (1-2) 1 (1-2) 1 (1-2) 1 (1-2) 1 (1-1)
Folic acid intake, median (IQR), μg/de 271 (230-321) 234 (199-280) 228 (196-269) 271 (229-324) 240 (199-292) 250 (216-293) 232 (200-274) 264 (225-314)
Vitamin B12 intake, median (IQR), μg/de 7 (5-9) 6 (5-8) 6 (5-8) 7 (5-9) 6 (5-8) 7 (5-9) 7 (5-8) 6 (5-8)
Vitamin C intake, median (IQR), mg/de 65 (47-87) 63 (49-80) 58 (45-74) 71 (54-93) 67 (51-91) 64 (49-80) 62 (48-81) 68 (50-88)

Abbreviations: BMI, body mass index (calculated as weight in kilograms divided by height in meters squared); DHA, docosahexaenoic acid; EPA, eicosapentaenoic acid; IQR, interquartile range; STD, sexually transmitted disease.

a

Includes self-reported history of varicocele, cryptorchidism, testicular mumps, inguinal hernia, testicular injury (hit, kicked, or otherwise injured so it caused swelling of the scrotum), hydrocele, testicular torsion, hypospadias, epididymo-orchitis, cystitis, or prostatitis.

b

Includes self-reported history of surgery for inguinal hernia, varicocele, hydrocele, testicular torsion, hypospadias, testicular cancer, phimosis, testicular biopsy, vasectomy, refertilization, and other.

c

Includes self-reported history of gonorrhea, chlamydia, and other STDs.

d

Indicates April through September.

e

Adjusted for energy intake using the residual method making nutrient intake independent from energy intake.