Skip to main content

Table 6 Marginal effects during pre-intervention, intervention, post-intervention adjusted by gender and age using GEE. Sao Paulo (Brazil), 2018

From: Impacts of bariatric surgery in health outcomes and health care costs in Brazil: Interrupted time series analysis of multi-panel data

Health Outcomes

Characteristics

Dy/dx

95%CI

P

BMI

Pre

0.003

(0.001; 0.005)

<0.001

Int

0.803

(0.006; 0.154)

0.033

Post

-0.0006

(-0.0008; -0.0004)

<0.001

Gender (female)

-0.005

(-0.034; 0.024)

0.744

Age

0.0007

(-2.855; 3.001)

0.105

Weight

Pre

0.002

(-0.01; -0.01)

0.804

Int

-58.404

(-69.9; -46.9)

<0.001

Post

0.086

(0.06; -0.1)

<0.001

Gender (female)

-4.286

(-5.29; -3.27)

<0.001

Age

-0.12

(-0.15; -0.08)

<0.001

Blood pressure

Pre

-0.002

(-0.005; 0.001)

0.167

Int

0.522

(-1.66; 2.71)

0.640

Post

-0.006

(-0.01; -0.001)

0.007

Gender (female)

0.221

(-1.6; 2.04)

0.812

Age

0.007

(-0.04; 0.06)

0.808

Cholesterol

Pre

-0.03

(-0.04; -0.01)

<0.001

Int

6.047

(-0.78; 12.87)

0.083

Post

0.046

(0.03; 0.06)

<0.001

Gender (female)

9.214

(7.43; 10.98)

<0.001

Age

0.121

(0.06; 0.17)

<0.001

VLDL

Pre

0.007

(0.003; 0.01)

<0.001

Int

1.784

(0.14; 3.42)

0.033

Post

-0.014

(-0.01; -0.01)

<0.001

Gender (female)

-0.108

(-0.75; 0.54)

0.744

Age

0.016

(-0.003; 0.03)

0.105

LDL

Pre

-0.017

(-0.02; -0.006)

0.002

Int

-1.776

(-7.95; 4.39)

0.573

Post

0.033

(0.01; 0.04)

<0.001

Gender (female)

6.900

(5.58; 8.21)

<0.001

Age

-0.039

(-0.07; -0.0001)

0.049

HDL

Pre

0.022

(0.01; 0.02)

<0.001

Int

-8.427

(-10.16; -6.69)

<0.001

Post

-0.005

(-0.008; -0.0006)

0.023

Gender (female)

1.125

(0.14; 2.1)

0.024

Age

0.092

(0.06; 0.12)

<0.001

Triglycerides

Pre

0.051

(0.04; 0.06)

<0.001

Int

-6.802

(-11.98; -1.61)

0.01

Post

-0.111

(-0.12; -0.09)

<0.001

Gender (female)

6.805

(5.27; 8.33)

<0.001

Age

0.18

(0.13; 0.22)

<0.001

Insulin

Pre

0.014

(0.01; 0.01)

<0.001

Int

-7.207

(-9.05; -5.35)

<0.001

Post

-0.017

(-0.02; 0.01)

<0.001

Gender (female)

0.207

(-0.3; 0.71)

0.427

Age

-0.001

(-0.01; 0.01)

0.885

Glucose-linked haemoglobin

Pre

0.013

(0.003; 0.02)

0.007

Int

-3.227

(-8.41; 1.96)

0.223

Post

-0.051

(-0.06; 0.03)

<0.001

Gender (female)

4.468

(2.96; 5.97)

<0.001

Age

-0.011

(-0.05; 0.03)

0.643

Fasting glucose

Pre

0.019

(0.006; 0.03)

0.003

Int

8.873

(1.76; 15.98)

0.014

Post

-0.095

(-0.11; -0.07)

<0.001

Gender (female)

6.721

(5.37; 8.06)

<0.001

Age

0.119

(0.07; 0.15)

<0.001

Health Care Costs

Characteristics

Dy/dx

95%CI

P

Direct cost

Pre

1.153

(1.12; 1.17)

<0.001

Int

1189.518

(1179.29; 1199.74)

<0.001

Post

-4.323

(-4.35; -4.29)

<0.001

Gender (female)

-100.838

(-103.32; -98.34)

<0.001

Age

1.303

(1.22; 1.38)

<0.001

  1. Obs.: pre pre-intervention, int intervention, post post-intervention