표제지
목차
Disclosure 13
초록 14
I. 서론 16
II. 연구방법 21
1. 연구설계 21
2. 연구대상자 선정 24
3. 시간제한식사 개입 26
4. 신체계측조사 및 체조성 지표 28
5. 생화학검사 및 심혈관질환 위험 지표 28
6. 시간기록조사와 시간변수 29
7. 식사섭취조사 및 끼니와 영양소 섭취량 30
8. 설문조사 및 생활 습관 변수 31
9. 통계 분석 33
III. 결과 34
1. 대상자의 기본 특성 34
2. 개입 전 후 체조성 및 심혈관계 질환 위험 지표의 변화 37
3. 개입 전 후 수면 및 식사시간의 변화 42
4. 개입 전 후 영양소 섭취의 변화 46
5. 섭취구간에 따른 기본특성 비교 48
6. 섭취구간에 따른 체조성 및 심혈관 계질환 위험 지표의 변화 50
7. 섭취구간에 따른 수면과 식사시간 관련 변수의 변화 55
8. 섭취구간에 따른 영양소 섭취의 변화 59
9. 추가 식품 제공에 따른 단백질 섭취의 변화 62
10. 체조성과 관련 변수의 상관분석 65
IV. 고찰 및 결론 67
참고문헌 80
ABSTRACT 88
TABLE 1. The general characteristics of participants 35
TABLE 2. The body composition and cardiometabolic parameters in pre- and post-intervention in 4 weeks intervention with 8-hour time-restricted eating in young adults 38
TABLE 3. The change of sleep and meal timing related variables in 4 weeks intervention with 8-hour time-restricted eating in young adults 44
TABLE 4. The change of nutrient intake in 4 weeks intervention with 8-hour time-restricted eating in young adults 47
TABLE 5. The general characteristics of participants by eating window 49
TABLE 6. The body composition and cardiometabolic parameters in 4 weeks intervention with 8-hour time-restricted eating in young adults by eating window 52
TABLE 7. The change of sleep and meal timing related variables in 4 weeks intervention with 8-hour time-restricted eating in young adults by eating window 57
TABLE 8. The change of nutrient intake in 4 weeks intervention with 8-hour time-restricted eating in young adults by eating window 61
TABLE 9. Correlations of sleep and meal timing variables during the intervention period with changes in body composition over 4 weeks 66
FIGURE 1. The study design of 4 weeks intervention with 8-hour time-restricted eating 23
FIGURE 2. The flow chart of 4 weeks intervention with 8-hour time-restricted eating 25
FIGURE 3. The distribution of eating window selected by participants 27
FIGURE 4. The mean change of body composition measurements by weeks in 4 weeks intervention with 8-hour time-restricted eating 40
FIGURE 5. The proportion of daily meal composition of pre-intervention (102 days) and during intervention (952 days) 45
FIGURE 6. The change of body composition measurements by weeks in 4 weeks intervention with 8-hour time-restricted eating by eating window 54
FIGURE 7. The proportion of daily meal composition of pre-intervention (102 days) and during intervention (952 days) by eating window 58
FIGURE 8. The protein intake and muscle mass over 4 weeks in 8-hour time-restricted eating 63
FIGURE 9. The change of VAS(Visual Analogue Scale) score by weeks in 4 weeks intervention with 8-hour time-restricted eating 64
SUPPLEMENTARY FIGURE 1. The questionnaire conducted in baseline 74
SUPPLEMENTARY FIGURE 2. The individual sleep duration and eating window in the pre-intervention period 77
SUPPLEMENTARY FIGURE 3. The individual change of body weight by week in 8-hour time restricted eating intervention 78
SUPPLEMENTARY FIGURE 4. The individual sleep duration and eating window during intervention phase 79