Defu Ma
Biographic Data
| ID | 6266901 |
|---|---|
| NAME | Defu Ma |
| GIVEN NAMES | Defu |
| FAMILY NAME | Ma |
| SIGNATURE | MA D |
| AFFILIATIONS | Peking University |
| ORCID | 0000-0001-8554-0003 |
| VERIFIED | Yes |
| TOTAL WORKS | 5 |
| TOTAL CITATIONS | 10 |
| AUTHOR COUNT | 5 |
| EDITOR COUNT | 0 |
| FIRST PUBLICATION YEAR | 2013 |
| LATEST PUBLICATION YEAR | 2025 |
| H-INDEX | 2 |
Research on the impact of delayed retirement on the subjective wellbeing of older adults
As China prepares to implement delayed retirement policies in response to population aging, understanding the impact of extended working lives on older adults' wellbeing has become increasingly important. While prior studies have focused on economic outcomes, less is known about the subjective consequences of working beyond traditional retirement age. This paper examines the effect of delayed retirement on the subjective wellbeing of older adults…
Perceptions of food intake and weight status among parents of picky eating infants and toddlers in China
BACKGROUND: Previous studies have suggested that children that are picky eaters may have a different and less varied diet than non-picky children, but the literature on picky eating in Chinese children is limited. OBJECTIVES: To assess the prevalence of picky eating in 6-35 month-old Chinese children, and to explore how parents' perceptions of picky eating relate to children's intake and body composition. METHODS: 1414 6-35 month-old infants and …
Pre-pregnancy BMI, gestational weight gain and postpartum weight retention
Objective To determine the association of gestational weight gain (GWG) or pre-pregnancy BMI with postpartum weight retention (PPWR). Design Meta-analysis. Setting PubMed, Cochrane Controlled Trials Register, EMBASE, Science Citation Index Expanded, Current Contents Connects and Biosis Previews were used to search articles. Subjects Publications that described the influence of pre-pregnancy BMI or GWG on PPWR. Results Seventeen studies that satis…
Prevalence of picky eating behaviour in Chinese school-age children and associations with anthropometric parameters and intelligence quotient. A cross-sectional study
Previous studies have demonstrated the importance of eating behaviour regarding dietary variety and nutrient intake of children. However, the association between picky eating and growth of children is still a topic of debate. This study sought to estimate the prevalence of picky eating and to identify possible associations with the growth of school-age children in China. In this survey, 793 healthy children aged 7-12 years were recruited from nin…
Coffee consumption and risk of colorectal cancer
Objective Separate meta-analyses based on case–control and cohort studies have reported different results on the relationship between coffee consumption and colorectal cancer risk. To clarify the effect of coffee intake on colorectal cancer risk, we performed a meta-analysis based on both case–control and cohort studies. Design Review study. Setting We identified case–control and cohort studies related to coffee consumption and colorectal cancer …
Prevalence of picky eating behaviour in Chinese school-age children and associations with anthropometric parameters and intelligence quotient. A cross-sectional study
Previous studies have demonstrated the importance of eating behaviour regarding dietary variety and nutrient intake of children. However, the association between picky eating and growth of children is still a topic of debate. This study sought to estimate the prevalence of picky eating and to identify possible associations with the growth of school-age children in China. In this survey, 793 healthy children aged 7-12 years were recruited from nin…
Perceptions of food intake and weight status among parents of picky eating infants and toddlers in China
BACKGROUND: Previous studies have suggested that children that are picky eaters may have a different and less varied diet than non-picky children, but the literature on picky eating in Chinese children is limited. OBJECTIVES: To assess the prevalence of picky eating in 6-35 month-old Chinese children, and to explore how parents' perceptions of picky eating relate to children's intake and body composition. METHODS: 1414 6-35 month-old infants and …
Coffee consumption and risk of colorectal cancer
Objective Separate meta-analyses based on case–control and cohort studies have reported different results on the relationship between coffee consumption and colorectal cancer risk. To clarify the effect of coffee intake on colorectal cancer risk, we performed a meta-analysis based on both case–control and cohort studies. Design Review study. Setting We identified case–control and cohort studies related to coffee consumption and colorectal cancer …
Pre-pregnancy BMI, gestational weight gain and postpartum weight retention
Objective To determine the association of gestational weight gain (GWG) or pre-pregnancy BMI with postpartum weight retention (PPWR). Design Meta-analysis. Setting PubMed, Cochrane Controlled Trials Register, EMBASE, Science Citation Index Expanded, Current Contents Connects and Biosis Previews were used to search articles. Subjects Publications that described the influence of pre-pregnancy BMI or GWG on PPWR. Results Seventeen studies that satis…
Prevalence of picky eating behaviour in Chinese school-age children and associations with anthropometric parameters and intelligence quotient. A cross-sectional study
Previous studies have demonstrated the importance of eating behaviour regarding dietary variety and nutrient intake of children. However, the association between picky eating and growth of children is still a topic of debate. This study sought to estimate the prevalence of picky eating and to identify possible associations with the growth of school-age children in China. In this survey, 793 healthy children aged 7-12 years were recruited from nin…
Perceptions of food intake and weight status among parents of picky eating infants and toddlers in China
BACKGROUND: Previous studies have suggested that children that are picky eaters may have a different and less varied diet than non-picky children, but the literature on picky eating in Chinese children is limited. OBJECTIVES: To assess the prevalence of picky eating in 6-35 month-old Chinese children, and to explore how parents' perceptions of picky eating relate to children's intake and body composition. METHODS: 1414 6-35 month-old infants and …
Research on the impact of delayed retirement on the subjective wellbeing of older adults
As China prepares to implement delayed retirement policies in response to population aging, understanding the impact of extended working lives on older adults' wellbeing has become increasingly important. While prior studies have focused on economic outcomes, less is known about the subjective consequences of working beyond traditional retirement age. This paper examines the effect of delayed retirement on the subjective wellbeing of older adults…
Medicine (3 works) · Psychology (3 works) · Child Nutrition and Feeding Issues (2 works) · Cross-sectional study (2 works) · Demography (2 works) · Environmental health (2 works) · Gerontology (2 works) · Obesity, Physical Activity, Diet (2 works) · Agriculture Sustainability and Environmental Impact (1 works) · Anthropometry (1 works)