Personalized Nutrition and Health Program for Drug Rehabilitation Populations Data Overview

Data Source: Zhejiang Provincial Drug Administration Bureau

Time Points: September 2019, July 2020, December 2020

Baseline On-site Survey Protocol

(Each rehabilitation center survey lasted two days)

Day 1 1.1 Participant Recruitment

Inclusion Criteria:

No severe organ failure Age between 18–65 years Duration of stay ≤ 3 months No severe infectious diseases (e.g., hepatitis A/B, HIV) No severe psychiatric disorders No cancer diagnosis 1.2 Registration

Participants queued to complete registration forms, including:

Name ID National identification number Gender

After registration, participants received:

A numbered tag A labeled saliva collection kit

They then proceeded to a computer room to complete questionnaires.

1.3 Physical Examination

Investigators measured and recorded:

Height and weight Waist, hip, neck, upper arm, and calf circumferences Body composition Blood pressure (systolic and diastolic) 1.4 Continuous Glucose Monitoring (CGM) Setup

Participants were fitted with CGM devices, which were activated (~2 minutes per device).

Each participant received:

A sample collection kit (stool container, additional 5 mL EP tube, urine collector) A dietary record form

Dietary logs and standard cafeteria meal records were prepared in advance based on scheduled menus.

Participants were instructed to collect fasting urine and stool samples the following morning.

Day 2 2.1 Sample Collection 2.2 Blood Collection Day 14 Follow-up

Investigators:

Assisted participants in removing CGM devices Collected: Dietary records Standardized cafeteria food intake records (weighed)