Data sheet
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The research encompassed the general adult population of Saudi Arabia, including individuals between the ages of 18 and 60 years of both genders. Participants were selected from every administrative district in the Kingdom, which stands for the areas in the East, West, Central, South, and North. To ensure the reliability of the data, individuals with clinically evident mental or psychological illness were excluded from the study. Additionally, participants with a body mass index (BMI) of less than 14 or higher than 60, which were regarded as outliers, were also excluded. The study took into account the weighting of different age groups, genders, and population distribution among various regions to achieve a proportionate and nationally representative sample. This method allowed for an acceptable range of ±5% for each subgroup, intending to match the sample composition to the data from the General Authority for Statistics. Out of the 5,896 respondents who completed the survey, 4,683 people (79.4%) satisfied the study's inclusion requirements. Study instrument and Data collection A structured self–self-administered questionnaire was used. It includes: 1– Socio-demographic characteristics such as age in years (18–40 and 41–60 years), gender (male and female), geographical district (Western, Northern, Southern, Central, and Eastern regions), marital status (single, married, and unmarried), occupation (student, working, and not working), education (primary/middle school, high school/diploma, and university/postgraduate), and average monthly income (< 5000 riyals, 5000–10,000 riyals, and > 10,000 riyals). 2– Lifestyle factors such as smoking habit (smoker and nonsmoker) and physical activity (incidental and structured). Incidental (non-planned physical activity) is usually the result of daily activities at home, at work, or during transport. Structured (planned purposeful physical activity) is performed to promote health and fitness. 3– Presence of physician-diagnosed chronic illnesses such as hypertension, diabetes mellitus, asthma, hyperlipemia, coronary heart disease, arthritis, cancer, etc. (yes and no). 4– Presence of chronic mental/psychological disease (not included in the analysis). 5– Height in centimeters and weight in kilograms to estimate the BMI as follows [weight in kilograms (kg) divided by height in meters squared (m2)] and these dimensions were self-reported. 6– The depression evaluation tool was Beck’s Depression Inventory–II (BDI–II). Twenty-one items total on a 4-point scale with 0 representing no symptoms and 3 representing severe symptoms. The highest ratings for all 21 items were added to calculate the score with a range of 0–63. Greater scores indicate more severe symptoms.
本研究覆盖沙特阿拉伯全体成年人群，纳入年龄介于18至60岁的两性个体。研究对象从沙特王国所有行政区域遴选，覆盖东部、西部、中部、南部与北部各区域。为确保数据可靠性，本研究排除存在临床确诊精神或心理疾病的受试者；同时将体质量指数（Body Mass Index, BMI）低于14或高于60的极端异常值受试者一并排除。研究对不同年龄组、性别及各区域人口分布进行加权处理，以获取具有全国代表性的比例样本，各亚组误差范围控制在±5%以内，力求样本构成与沙特统计总局（General Authority for Statistics）公布的人口数据相符。在完成问卷调研的5896名受访者中，共有4683人（占比79.4%）符合本研究的纳入标准。 研究工具与数据采集 本研究采用结构化自填式问卷，问卷内容涵盖以下6个模块： 1. 社会人口学特征：包括年龄（分为18–40岁、41–60岁两组）、性别（男、女）、地理区域（西部、北部、南部、中部与东部地区）、婚姻状况（单身、已婚、未婚）、职业（学生、在职、无业）、受教育程度（小学/初中、高中/中专、大学/研究生）以及月均收入（<5000里亚尔、5000–10000里亚尔、>10000里亚尔）。 2. 生活方式相关因素：包括吸烟习惯（吸烟者、非吸烟者）与体力活动情况（偶发性与计划性体力活动）。其中偶发性体力活动（非计划性活动）通常源于居家、工作或通勤中的日常活动；计划性体力活动则为促进健康与体能而主动进行的有目的活动。 3. 医师确诊的慢性疾病史：包括高血压、糖尿病、哮喘、高脂血症、冠心病、关节炎、癌症等（是/否）。 4. 慢性精神/心理疾病患病情况（未纳入本次分析）。 5. 身高（厘米）与体重（公斤）数据，用于计算体质量指数：BMI=体重(kg)/身高(m)²，上述人体测量数据均为受访者自报。 6. 抑郁症状评估工具：采用贝克抑郁量表第二版（Beck’s Depression Inventory–II, BDI–II）。该量表共包含21个条目，采用4级评分，0分代表无相关症状，3分代表症状严重。将21个条目的得分求和得到总分，总分范围为0–63分，得分越高表示抑郁症状越严重。
