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Biomedical subjects

R Striegel-Moore

Publications and source records attributed to R Striegel-Moore.

7 recordsLinked to original sources
PubMed2001

Impact of timing of pubertal maturation on growth in black and white female adolescents: The National Heart, Lung, and Blood Institute Growth and Health Study.

OBJECTIVES: To evaluate the impact of early, mid-onset, and late maturation, as assessed by timing of menarche, on height, height velocity, weight, body mass index, and sum of skinfolds in a group of white and black girls. STUDY DESIGN: The Growth and Health Study recruited 9- and 10-year-old girls from Richmond, California, Cincinnati, Ohio, and Washington, DC. There were 616 white and 539 black participants recruited at age 9 and 550 white and 674 black participants recruited at age 10. Participants were seen annually for 10 visits. Longitudinal regression models were used to test for differences in each growth measure by timing of menarche across all ages and to determine whether these differences change with age. RESULTS: Mean age at menarche among white participants was 12.7 years, and among black participants, 12.0 years. According to race-specific 20th and 80th percentiles, early maturers were tallest at early ages and shortest after adult stature had been attained. Peak height velocity and post-menarche increment in stature were greatest in early maturers and least in late maturers. Weight was greatest in early and least in late maturers, as was body mass index. Sum of skinfolds was also greatest in early and least in late maturers. There was no impact of timing of maturation on two common measures of regional fat distribution. CONCLUSIONS: Girls who matured early were shorter in early adulthood, despite having greater peak height velocity and post-menarchal increment in height. Throughout puberty, early maturers had greater ponderosity and adiposity, although there was no association with regional distribution of fat.

Adolescent↗
PubMed1998

Taste changes across pregnancy.

UNLABELLED: We examined taste intensity and preference in 46 pregnant and 41 healthy female controls enrolled in the Yale Pregnancy Study (J. Rodin, PI). Pregnant females were tested non-pregnant (non-pg) and during the first, second and third trimesters; controls, at corresponding time intervals. Subjects rated intensity of and preference for a three-member concentration series of NaCl, sucrose, citric acid (CA), and quinine hydrochloride (QHCl) on a labeled line ('nothing' at the left, 'extremely' at 80%). Variance differences between groups were tested with the F distribution (p < 0.05). Controls had significantly greater variance among overall intensity ratings than pregnant females, most pronounced for QHCl. Controls did not have highest variance among overall hedonic ratings, but did have highest variance for sweet and QHCl ratings. Within pregnancy analyses were tested with the Friedman two-way ANOVA. Significant intensity changes occurred for moderate NaCl and QHCL concentrations (p < 0.005). For NaCl, intensity fell from non-pg and first trimester to second and third trimesters. For QHCl, intensity rose from non-pg to first trimester, and fell from first to second and third trimesters. In the hedonic ratings, significant changes occurred for top concentrations of NaCl (p < 0.05) and 0.001 M CA (p < 0.001), and moderate QHCl (p < 0.005). NaCl preference rose from non-pg to third trimester. Preference for CA fell from non-pg to first trimester and then rose from first to second and third trimesters. QHCl became less disliked from non-pg and first trimester to third trimester. SUMMARY: taste intensity and hedonic variance in controls may associate with menstrual hormone fluctuations. Pregnant women were aligned in pregnancy stage which may explain the lower variance. Taste intensity and hedonic changes across pregnancy could serve to support healthy pregnancy outcomes: increases in bitter intensity in first trimester to protect against ingesting poisons; changes in NaCl, sour and bitter preference later in pregnancy to support ingesting a varied diet.

Adult↗
PubMed1998

Changes in self-esteem in black and white girls between the ages of 9 and 14 years. The NHLBI Growth and Health Study.

PURPOSE: We examined changes in self-esteem and feelings of competence with physical appearance and social acceptance over approximately 5 years in 1166 white and 1213 black girls, aged 9 and 10 years at baseline. METHODS: Maturation stage and body mass index (BMI) were assessed annually. Biennially girls completed Harter's Self-Perception Profile for children. Changes were analyzed in the context of race, sexual maturation, BMI, and household income. Longitudinal regression models were used to compare trends with age in global self-worth, physical appearance, and social acceptance. RESULTS: Mean global self-worth showed little change over ages 9-14 years in blacks (p = 0.09) but decreased in whites (p < 0.001). Mean physical appearance scores for both races declined between ages 9 and 14 years (blacks, p < 0.001; whites, p < 0.001). Mean social acceptance scores increased for both races between ages 9 and 14 years (blacks, p < 0.001; whites, p < 0.001). For all three scores, these changes differed between blacks and whites (all three p values, < or = 0.002). Adjustment for maturation stage, BMI, and household income did not alter the significance or direction of racial differences in the changes with age in global self-worth and physical appearance scores. Self-worth, physical appearance, and social acceptance scores decreased with increasing BMI. Decreases in physical appearance and social acceptance scores with increasing BMI were smaller in blacks than in whites (p < 0.05). After adjustment for maturation stage and household income, racial differences in social acceptance scores depended on BMI (p < 0.05) but not on age (p = 0.008). CONCLUSIONS: This article reports the first data on self-esteem scores by age for a large population of black girls aged 9 and 14 years and concludes that self-esteem does not follow the same developmental pattern in black as in white girls. A reason for black girls' higher and more stable self-worth and their greater satisfaction with their physical appearance compared to white girls may be racial differences in attitudes toward physical appearance and obesity.

Adolescent↗
PubMed1996

Weight modification efforts reported by black and white preadolescent girls: National Heart, Lung, and Blood Institute Growth and Health Study.

OBJECTIVE: This study tested four hypotheses: (1) a high percentage of 9- and 10-year-old girls are already trying to lose weight; (2) more white tha black girls are trying to lose weight; (3) more black than white girls are trying to gain weight; and (4) weight modification efforts of preadolescent girls are influenced by factors other than race, such as maternal criticism, body dissatisfaction, and socioeconomic status. DESIGN: Cross-sectional analysis of baseline data on 2379 girls 9 and 10 years of age, which consisted of 1213 black and 1166 white enrollees. RESULTS: Black girls were taller and heavier and showed earlier signs of puberty than white girls but were less dissatisfied with their weight, body shape, and body parts. Approximately 40% of 9- and 10-year-old girls reported that they were trying to lose weight. Of those girls classified in the fourth quartile of body mass index (BMI), approximately 75% were trying to lose weight. After adjusting for BMI, no significant black and white differences in the prevalence of those trying to lose weight were seen, but significantly more black than white girls were trying to gain weight. Multiple logistic regression identified a high BMI, the mother telling her she was too fat, and body dissatisfaction as the major factors associated with trying to lose weight. However, chronic dieting was only associated with a high BMI and the mother telling her she was too fat. An important predictor of girls who were trying to gain weight was being black, along with having a low BMI and the mother telling her she was too thin. CONCLUSIONS: Attempts at gaining weight are much more frequent among black preadolescent girls than their white counterparts. No racial difference was found between black and white girls in their efforts to lose weight or to practice chronic dieting. Because approximately 40% of 9- and 10-year-old girls are already trying to lose weight, pediatricians should capitalize on this concern by providing information on proper weight control techniques. Educational efforts should be directed to both the mother and the child, because weight control efforts of preadolescent girls are stimulated by their mothers' admonitions of being too fat or too thin. The high prevalence of dieting among the thinnest adolescent girls also needs to be addressed by pediatricians.

Black or African American↗
PubMed1989

Psychological features of obesity.

The study of obesity from a variety of psychological perspectives has been exciting and inventive, although we still do not understand fully the role of psychological variables in the etiology of obesity. Many of the factors thought to be of etiologic significance--field dependence, lack of impulse control, inability to delay gratification, or a maladaptive eating style--have not been supported by experimental evidence. Other factors once thought to be of importance as causes of obesity, depression and dysphoria, for example, appear, instead, to be consequences of being obese and may serve to maintain and intensify weight-related problems. Dieting behavior in response to weight concerns appears, perversely, to be implicated in increasing overweight and adiposity. Finally, arousability in response to food cues in the environment may play a causal role in some obesities.

Eating↗
PubMedDate not supplied

Psychological factors in the etiology of binge eating.

Numerous psychological factors have been hypothesized to play a role in the etiology of binge eating. This chapter proposes that female gender-role socialization puts girls at risk for the development of binge eating. Moreover, it is proposed that an understanding of risk requires an exploration of the developmental tasks of female adolescence. As research of the etiology of binge eating in particular and eating disorders in general begins to move away from testing single-factor causal models and toward testing complex, multifactorial models of causation, research needs to examine the psychological factors discussed in this chapter.

Adolescent↗