Estimated treatment effects (ATT) of social network characteristics on obesity (BMI).

<p>*t-values derived via bootstrapping.</p

Glossary.

<p>Glossary.</p

Results of the IV-estimation: Dependent variable EGO's HOMA-IR.

<p>*t-values derived via bootstrapping.</p

Summarized descriptive statistics of the FOCUS-sample.

1<p>Income level: 1: <499 Euro to 16: >4000 Euro.</p>2<p>Education: 1 =  means no educational achievement; 10 =  PhD.</p>3<p>Education: 1 =  means no educational achievement; 8 =  PhD.</p>4<p>Nutritional status: 1 =  very slim; 5 =  very fat.</p>5<p>Reading of food information is important: 1 (not agree)-7 (agree completely).</p>6<p>Knowledge: 1 =  no; 5 =  excellent.</p>7<p>Low fat food is important: 1 (not agree)-7 (agree completely).</p>8<p>Attitude: 1 =  food has to be tasty, 2  =  food has to balance enjoyment of eating and health, 3 =  food has to be mainly healthy.</p>9<p>I always eat healthy and well balanced: 1 (not agree)-7 (agree completely)</p>10<p>Diet: 1 =  never; 5 =  more than 5 times.</p>11<p>Sport: 1 =  never; 5 =  daily.</p>12<p>Contact frequency: 1 =  never to 5 =  daily.</p>13<p>Intensity: 1 =  no talk about private issues; 3 =  often.</p

Results of Logit-Model: Dependent variable EGO's BMI-status (OBS-EGO) (IV-first stage).

<p>Results of Logit-Model: Dependent variable EGO's BMI-status (OBS-EGO) (IV-first stage).</p