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. 2023 Jul 12;10:1220020. doi: 10.3389/fnut.2023.1220020

Table 2.

Nutrition variables for KLD and ULF at baseline, 3 months, and 12 months.

KLD ULF p-valuea
n=18 n=21
Calories (kcal/day)
Baseline 2265 (±133)b 2392 (±136) 0.42
3 Months 1482 (±63) 1543 (±45) 0.70
12 Months 1665 (±118) 1938 (±145) 0.13
Carbohydrates (g/day)
Baseline 250 (±18) 292 (±18) 0.05
3 Months 38 (±4) 264 (±8) <0.0001
12 Months 96 (±14) 264 (±20) <0.0001
Net carb (g/day)
Baseline 226 (±17) 265 (±17) 0.05
3 Months 16 (±7) 227.3 (±7) <0.0001
12 Months 77 (±12) 236 (±19) <0.0001
Fat (g/day)
Baseline 97 (±7) 86.2 (±6.5) 0.23
3 Months 100 (±6.0) 20 (±1.1) <0.0001
12 Months 90.3 (±9.3) 51.9 (±5.8) <0.0001
Protein (g/day)
Baseline 91 (±5) 100 (±4) 0.33
3 Months 110 (±7) 84 (±6) 0.01
12 Months 109 (±11) 98 (±6) 0.28
Added sugars (g/day)
Baseline 54 (±8) 45 (±7) 0.25
3 Months 3 (±1) 23 (±4) 0.01
12 Months 10 (±3.4) 32 (±5) 0.01
Refined grains (g/day)
Baseline 93 (±18.1) 114 (±24) 0.47
3 Months 3 (±1) 81 (±22) <0.01
12 Months 41(±13) 166 (±30) <0.001
Fat (%)
Baseline 37.2 (±1.1) 31.3 (±1.3) <0.01
3 Months 58.6 (±1.9) 11.1 (±0.5) <0.001
12 Months 46.9 (±2.8) 22.4 (±1.3) <0.001
Carbohydrates (%)
Baseline 43.5 (±1.9) 48.4 (±1.7) 0.07
3 Months 9.8 (±1.3) 66.4 (±1.8) <0.001
12 Months 22.7 (±3.2) 53.4 (±1.8 <0.001
Protein (%)
Baseline 16.7 (±0.9) 17.2 (±0.7) 0.76
3 Months 30.9 (±1.4) 21.0 (±1.4) <0.001
12 Months 27.3 (±2.1) 21.1 (±1.2) <0.01
Sugar (%calories)
Baseline 22.6 (±2.9) 18.0 (±2.4) 0.21
3 Months 2.0 (±0.5) 16.2 (±3.4) <0.001
12 Months 6.0 (±2.1) 17.6 (±2.7) <0.01
Total sugars (g)
Baseline 93.6 (±8.6) 105.6 (±11.1) 0.73
3 Months 16.5 (±2.3) 94.7 (±6.0) <0.001
12 Months 35.2 (±5.1) 95.3 (±11.1) <0.001
a

p-values for null hypothesis that nutrition variables are equivalent between diets at a given timepoint; from a linear mixed effects model including fixed effects for time, diet, and time*diet interaction, and a random effect for study participant.

b

Mean (±standard error of mean).