U.S. Medical Insurance Costs

About

This project analyzes the costs of US insurance based on the data from a typical healthcare institution.

Data Sources

The dataset is downloaded from Kaggle. It has the following columns:

• age: age of primary beneficiary
• sex: insurance contractor gender, female, male
• bmi: body mass index, providing an understanding of body, weights that are relatively high or low relative to height, objective index of body weight (kg / m ^ 2) using the ratio of height to weight, ideally 18.5 to 24.9
• children: number of children covered by health insurance / number of dependents
• smoker: whether the patient is a smoker or not
• region: the beneficiary's residential area in the US, northeast, southeast, southwest, northwest.
• charges: Individual medical costs billed by health insurance

Key Insights

Click on the us-medical-insurance-costs.ipynb file to view the complete code of the analysis. Select insights are summarized below.

The insurance cost of smokers is significantly higher

Smoker status	Avg. insurance cost
Smoker	$32,050.23
Non-smoker	$8,434.27

Older patients tend to have a higher body mass index

Age group	Average BMI
10-19	29.97
20-29	29.79
30-39	30.44
40-49	30.71
50-59	31.51
60-69	32.02

The geographic region of the patients is evenly distributed, with southwest being slightly overrepresented

Region	Number of patients	Percent of total
Southeast	364	27.2%
Southwest	325	24.3%
Northwest	325	24.3%
Norhteast	324	24.2%

Average patient is 31 years old

Average age of patients with at least 1 child is 40 years old