This study aimed to develop a smartphone overdependence prevention program for college students based on the self-determination theory (SDT) and evaluate its effectiveness.

A non-equivalent control group repeated measures design was used for the study. Participants were 64 university freshmen (experimental group: 29, control group: 35). The developed program consists of eight sessions conducted twice a week. The program was designed to promote autonomy, competence, and relatedness the three elements of the basic psychological needs of self-determination theory. The participants were assessed before the program, immediately after, and 1 and 3 months after the program. Data were collected from April 23 to September 14, 2018 and analyzed by performing a Chi-square test, Fisher’s exact test, independent t-test, and repeated measures ANOVA using SPSS/WIN 23.0.

This study showed improvement in the basic psychological needs (F=3.90, p=.010) in the experimental group compared to the control group. Specifically, competence (F=2.93, p=.035), relatedness (F=2.89, p=.045), and self-regulatory ability (F=3.11, p=.028) improved significantly.

Study findings indicate that the smartphone overdependence prevention program based on the Self-determination theory could be an effective intervention for improving basic psychological needs and self-regulation ability. Therefore, this program could be an efficient strategy for smartphone overdependence prevention in university students.

The study was done to investigate the effects of an exercise program on body composition, cardiopulmonary function and physical fitness in obese children.

Thirty nine children in grades 4, 5, and 6 in elementary school were employed: experimental group(20) and control group(19). The subjects in the experimental group participated in an exercise program for 8weeks, thirty five minutes per session, four times per week. This data was analyzed by ANCOVA and paired t-test.

The Height(F=2.615, p=0.027) of the experimental group was significantly different from the control group. Also, in the experimental group, there were significant differences of height(t=4.79, p=0.000), cardiac rate(t=-6.461, p=0.000), body mass index(t=-2.13 p=0.046), muscle strength(t=3.48, p=0.003), and muscle endurance(t=3.20, p=0.005). Otherwise, in the control group, there were significant differences of weight(t=2.27, p=0.036), waist-hip ratio(t=3.16, p=0.005), and muscle endurance(t=-2.38, p=0.030).

Jumping rope improved the body composition, cardiopulmonary function, and physical fitness for obese children.

This study was done to identify effects of a fall prevention program on physical fitness and psychological functions in community dwelling elders.

A quasi-experimental study was carried out with a nonequivalent control group pre & post-test design. The program, which included exercises and education, consisted of a 12-week group program and an 8-week self-management program using a health calendar. An experimental group (32) and a control group (21) participated.

There were significant differences in SPPB (t=-3.92, p<.001), TUG test (t=4.94, p<.001), standing with right leg (t=-3.60, p=.001), standing with left leg (t=-3.74, p<.001), front and rear maximum step length test (t=-4.34, p<.001), right-left maximum step length test (t=-2.65, p=.011), and fall efficacy (t=-2.42, p=.019). Fall efficacy, fear of falling and depression showed significant differences following the 12-week exercise program and 8-week self-management program in the experimental group.

Study findings indicate that the fall prevention program is an effective nursing intervention to enhance physical fitness and psychological functions for elders. Using a health calendar, the self-management program was more effective for psychological functions compared to only the group program. Therefore, health providers should develop diversified fall prevention programs which include motivation plans to encourage clients in participating.

This study was designed to examine the effects of a weight control program on body weight and the sense of efficacy for control of dietary behavior in psychiatric inpatients.

A quasi-experimental design was used. Data were collected from March 1 to September 30, 2007. Female mentally ill patients in closing psychiatry ward of H University Hospital participated in the study (16 persons in the experimental group and 13 in the control group).

The weight control program including diet therapy, exercise, education and behavior modification therapy decreased the rate of weight gain in female mentally ill patients taking atypical antipsychotics, and effectively increased a sense of efficacy for control of dietary behavior.

Weight control program had a positive effect as a nursing intervention to decrease obesity and to increase the sense of efficacy for control of dietary behavior of psychiatric inpatients in psychiatric inpatients.