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Cesarina Silaban
Universitas Advent Surya Nusantara
Health Professions Medicine & Pharmacology Nursing

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Peran Kualitas Tidur sebagai Mediator Pengaruh Posisi Ergonomi terhadap Tingkat Kecemasan Pengguna Smartphone Malam Hari Cesarina Silaban; Yunis Veronika Purba; Jespin Saurlina Manalu; Maru Mary Jones Panjaitan
Jurnal Ners Vol. 10 No. 3 (2026): JULI 2026
Publisher : Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jn.v10i3.60589

Abstract

Penggunaan smartphone pada malam hari dengan postur tidak ergonomis sering terjadi dan berisiko memicu gangguan psikologis. Penelitian kuantitatif ini bertujuan untuk menganalisis pengaruh posisi ergonomi terhadap tingkat kecemasan dengan kualitas tidur sebagai variabel mediasi. Desain penelitian kuantitatif analitik dengan pendekatan cross-sectional, responden dipilih menggunakan teknik purposive sampling diterapkan pada sampel valid sebanyak 213 responden dan data dianalisis menggunakan uji regresi serta uji Sobel. Hasil uji menunjukkan posisi ergonomi tidak berpengaruh langsung secara signifikan terhadap kecemasan (p = 0,522 > 0,05), sehingga hipotesis hubungan langsung ditolak. Namun, uji mediasi menghasilkan nilai Z-hitung sebesar 4,88 (4,88 > 1,96), yang membuktikan secara empiris bahwa kualitas tidur bertindak sebagai variabel mediator signifikan dengan efek mediasi penuh. Postur tubuh yang buruk menimbulkan ketegangan fisik yang merusak kualitas tidur responden terlebih dahulu, di mana penurunan kualitas istirahat inilah yang bermanifestasi meningkatkan kecemasan pada keesokan harinya. Simpulannya, posisi ergonomi memengaruhi kecemasan secara tidak langsung yang dimediasi secara penuh oleh kerusakan kualitas tidur.
Hubungan Antara Penggunaan Media Sosial Dan Perilaku Kesehatan Remaja Jespin Saurlina Manalu; Riada Marenny Pasaribu; Cesarina Silaban; Yunis Veronika Purba; Eka Saudur Renaldi Sihombing
Jurnal Ners Vol. 10 No. 4 (2026)
Publisher : Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jn.v10i4.62161

Abstract

Background: Social media is an important information and social environment for adolescents and may be associated with health-related behaviors. Objective: This study examined the association between social media use and adolescent health behaviors. Methods: A quantitative analytic cross-sectional study was conducted among 197 adolescents who completed an online questionnaire. Social media was assessed using five Likert-scale indicators covering use, exposure to health-related accounts or content, interaction with health content, perceptions of healthy lifestyles, and participation in health trends. Health behavior was assessed using five indicators covering healthy eating, regular exercise, stress management, adequate sleep, and avoidance of unhealthy behaviors. Descriptive statistics and reliability analysis were performed in SPSS. Because both composite scores were not normally distributed, Spearman’s rank correlation was used. Results: The mean social media score was 3.518 (SD 0.5209; n=197), while the mean health behavior score was 3.755 (SD 0.5095; n=195). A positive, moderate, statistically significant association was observed between social media and health behavior (ρ=0.470, p<0.001; n=195). Conclusion: Higher social media scores were associated with higher adolescent health behavior scores. The finding supports the relevance of social media in adolescent health promotion, while the cross-sectional design and relatively low internal consistency of the measures require cautious interpretation.
Co-Authors Eka Saudur Renaldi Sihombing Jespin Saurlina Manalu Jespin Saurlina Manalu Maru Mary Jones Panjaitan Riada Marenny Pasaribu Yunis Veronika Purba Yunis Veronika Purba