How to make checkbox return '0' or '1' in VUE?

Question

Vue.js

Hello,
I have 0 or 1 in a column in my database, I want the checkbox to give such results, and it is NULL or on.
Thank you!

<template>
    <div>
       <input type="checkbox" name="coworker" v-bind:true-value="1" v-bind:false-value="0" v-model="coworker">
           <label for="checkbox">{{coworker}}</label>
    </div>
</template>

 export default {
        props: ['user'],
    
        data: function () {
            var user = JSON.parse(this.user);
            return {
                 coworker: user[0].coworker
            }
        },
}

Answer 1

Works for me https://jsfiddle.net/wcx1o9ah/3/

Answer 2

Why not like this? https://jsfiddle.net/deliro/1yaqj0o8/