Data Statistics

1. Dataset Shape

Rows	Columns
7181394	20

2. Records by Year

Year	Records
1990	81557
1991	87846
1992	96213
1993	102263
1994	105853
1995	113934
1996	124085
1997	135582
1998	149342
1999	159989
2000	184450
2001	212510
2002	247964
2007	430912
2008	414509
2009	432607
2010	451075
2011	506467
2012	475687
2013	491773
2020	401958
2021	438693
2022	445132
2023	433323
2024	457670

3. Record Lengths

Statistic	Value
Count	1585906
Mean	1464.934
Std	778.4
Min	450
25%	550
50%	1696
75%	2366
Max	2366

4. Missing Variables

Column	Missing Count	Missing Percent
BPHIGH4	6748789	93.98
BPHIGH	6723517	93.62
DIABETE3	6705707	93.38
DIABETES	6447493	89.78
HLTHPLN1	6303754	87.78
CHECKUP	6229092	86.74
CHOLCHK	5886236	81.97
BLOODCHO	5830436	81.19
RAW_RECORD	5595488	77.92
RAW_RECORD_LENGTH	5595488	77.92
AGE	4852521	67.57
SEX	4388211	61.11
INCOME2	4275582	59.54
CHECKUP1	3230757	44.99
EDUCA	2787825	38.82

5. Numeric Variables

Column	Count	Mean	75%	Max
YEAR	7181394	2010.506928	2020	2024

6. Categorical Variables

AGE

Value	Count
NaN	4852521
22	264883
12	104228
72	78653
60	43002

SEX

Value	Count
NaN	4388211
2	1098353
1	762633
0	297044
9	6187

GENHLTH

Value	Count
NaN	1585951
2	1468394
3	1411888
1	784373
4	605305

BPHIGH4

Value	Count
NaN	6748789
3	252809
1	168134
4	7346
2	3373

BP HIGH

Value	Count
NaN	6723517
120101	3576
530101	3561
370101	2794
260101	2453

BLOODCHO

Value	Count
NaN	5830436
1	376807
2	47961
7	7762
120101	3576

SMOKE100

Value	Count
NaN	2554029
2	2411430
1	1818420
7	19030
9	6436

DIABETE3

Value	Count
NaN	6705707
3	403299
1	59763
4	7735
2	4067

EDUCA

Value	Count
NaN	2787825
6	1532501
4	1122412
5	1097142
3	205142

INCOME2

Value	Count
NaN	4275582
8	530471
7	298705
6	276241
5	215407

CHOLCHK

Value	Count
NaN	5886236
1	287603
2	43660
3	27354
4	14108