It doesn't matter much, it mainly depends on whether your job is stable. If you have a stable job, and it is a long-term job, such as a section chief, so much the better.

Limit and age (too old to love low consumption limit), gender (generally women love spending more), work unit (administrative institution is the best), income, current property status (having a house and a car, strong solvency), marital status, consumption habits (my card is often used by banks to raise my limit).